/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.8_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:34:22,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:34:22,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:34:22,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:34:22,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:34:22,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:34:22,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:34:22,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:34:22,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:34:22,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:34:22,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:34:22,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:34:22,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:34:22,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:34:22,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:34:22,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:34:22,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:34:22,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:34:22,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:34:22,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:34:22,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:34:22,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:34:22,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:34:22,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:34:22,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:34:22,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:34:22,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:34:22,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:34:22,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:34:22,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:34:22,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:34:22,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:34:22,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:34:22,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:34:22,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:34:22,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:34:22,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:34:22,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:34:22,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:34:22,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:34:22,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:34:22,200 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 02:34:22,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:34:22,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:34:22,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:34:22,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:34:22,233 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:34:22,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:34:22,233 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:34:22,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:34:22,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:34:22,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:34:22,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:34:22,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:34:22,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:34:22,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:34:22,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:34:22,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:34:22,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:34:22,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:34:22,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:34:22,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:34:22,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:34:22,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:34:22,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:34:22,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:34:22,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:34:22,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:34:22,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:34:22,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:34:22,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:34:22,238 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 02:34:22,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:34:22,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:34:22,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:34:22,581 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:34:22,581 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:34:22,582 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-15 02:34:22,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88dfe2969/df492651442d4e8d9d8159ce84a6a6ad/FLAG099aa7089 [2020-10-15 02:34:23,147 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:34:23,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-15 02:34:23,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88dfe2969/df492651442d4e8d9d8159ce84a6a6ad/FLAG099aa7089 [2020-10-15 02:34:23,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/88dfe2969/df492651442d4e8d9d8159ce84a6a6ad [2020-10-15 02:34:23,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:34:23,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:34:23,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:34:23,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:34:23,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:34:23,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:34:23" (1/1) ... [2020-10-15 02:34:23,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afe831a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:23, skipping insertion in model container [2020-10-15 02:34:23,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:34:23" (1/1) ... [2020-10-15 02:34:23,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:34:23,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:34:23,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:34:23,985 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:34:24,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:34:24,104 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:34:24,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24 WrapperNode [2020-10-15 02:34:24,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:34:24,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:34:24,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:34:24,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:34:24,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (1/1) ... [2020-10-15 02:34:24,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (1/1) ... [2020-10-15 02:34:24,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (1/1) ... [2020-10-15 02:34:24,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (1/1) ... [2020-10-15 02:34:24,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (1/1) ... [2020-10-15 02:34:24,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (1/1) ... [2020-10-15 02:34:24,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (1/1) ... [2020-10-15 02:34:24,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:34:24,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:34:24,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:34:24,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:34:24,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (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 02:34:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:34:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:34:24,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:34:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:34:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:34:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:34:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:34:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-15 02:34:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-15 02:34:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-15 02:34:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2020-10-15 02:34:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:34:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:34:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:34:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:34:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:34:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:34:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:34:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 02:34:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:34:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:34:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:34:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:34:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:34:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:34:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:34:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:34:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:34:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-15 02:34:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-15 02:34:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-15 02:34:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2020-10-15 02:34:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:34:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:34:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:34:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:34:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:34:25,069 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:34:25,070 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:34:25,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:34:25 BoogieIcfgContainer [2020-10-15 02:34:25,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:34:25,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:34:25,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:34:25,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:34:25,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:34:23" (1/3) ... [2020-10-15 02:34:25,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3d13bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:34:25, skipping insertion in model container [2020-10-15 02:34:25,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:34:24" (2/3) ... [2020-10-15 02:34:25,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3d13bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:34:25, skipping insertion in model container [2020-10-15 02:34:25,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:34:25" (3/3) ... [2020-10-15 02:34:25,085 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2020-10-15 02:34:25,096 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:34:25,104 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:34:25,119 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:34:25,147 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:34:25,147 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:34:25,147 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:34:25,148 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:34:25,148 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:34:25,148 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:34:25,149 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:34:25,149 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:34:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-10-15 02:34:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 02:34:25,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:25,189 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] [2020-10-15 02:34:25,189 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:25,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:25,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1770956639, now seen corresponding path program 1 times [2020-10-15 02:34:25,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:25,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707992534] [2020-10-15 02:34:25,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:25,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:25,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:34:25,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:25,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-15 02:34:25,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:25,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:34:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:34:26,363 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:34:26,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:26,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:34:26,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:26,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:26,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:26,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:34:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:26,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:26,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:34:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:34:26,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:34:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:34:26,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:34:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:34:26,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:34:26,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:34:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:34:26,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:34:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:34:26,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:34:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:34:26,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:34:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:26,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:26,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:26,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:26,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:26,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 02:34:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:26,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:26,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:26,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:26,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:26,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:26,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:26,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:34:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:26,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:26,836 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 02:34:26,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707992534] [2020-10-15 02:34:26,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:26,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 02:34:26,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294560847] [2020-10-15 02:34:26,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:34:26,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:26,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:34:26,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:34:26,864 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 11 states. [2020-10-15 02:34:27,740 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:34:28,774 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:34:29,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:29,182 INFO L93 Difference]: Finished difference Result 303 states and 461 transitions. [2020-10-15 02:34:29,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 02:34:29,186 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-15 02:34:29,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:29,200 INFO L225 Difference]: With dead ends: 303 [2020-10-15 02:34:29,200 INFO L226 Difference]: Without dead ends: 187 [2020-10-15 02:34:29,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:34:29,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-15 02:34:29,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-15 02:34:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-15 02:34:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 293 transitions. [2020-10-15 02:34:29,273 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 293 transitions. Word has length 88 [2020-10-15 02:34:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:29,274 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 293 transitions. [2020-10-15 02:34:29,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:34:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 293 transitions. [2020-10-15 02:34:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 02:34:29,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:29,282 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] [2020-10-15 02:34:29,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:34:29,283 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:29,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:29,283 INFO L82 PathProgramCache]: Analyzing trace with hash -140085919, now seen corresponding path program 1 times [2020-10-15 02:34:29,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:29,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099156790] [2020-10-15 02:34:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:29,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-15 02:34:30,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1067 [2020-10-15 02:34:30,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:34:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:34:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:34:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:30,654 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:34:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:30,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:30,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:34:30,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:30,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:30,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:30,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:34:30,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:30,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:30,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:34:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:30,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:30,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:30,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:34:30,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:30,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:30,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:34:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:30,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:30,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:34:30,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 02:34:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:30,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:30,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:34:30,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 02:34:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:30,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:30,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:34:30,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:30,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 02:34:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:30,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:30,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:30,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:30,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:30,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:34:30,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:30,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:30,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:30,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:30,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:30,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:30,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 02:34:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:31,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:31,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:31,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:31,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:31,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:34:31,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:31,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:31,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:31,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:31,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 02:34:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:31,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:31,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:31,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:31,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:34:31,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:31,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:31,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:31,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:31,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-15 02:34:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:31,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:31,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:31,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:34:31,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:31,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:31,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 02:34:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:31,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:31,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:31,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:31,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:31,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:34:31,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:31,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:34:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:31,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 02:34:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:31,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:31,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:31,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:31,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:31,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:31,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:31,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:34:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:31,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:31,180 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 02:34:31,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099156790] [2020-10-15 02:34:31,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:31,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-15 02:34:31,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727983518] [2020-10-15 02:34:31,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:34:31,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:31,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:34:31,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:34:31,184 INFO L87 Difference]: Start difference. First operand 187 states and 293 transitions. Second operand 17 states. [2020-10-15 02:34:31,443 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:34:31,687 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 02:34:32,027 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 02:34:32,270 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 02:34:35,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:34:35,054 INFO L93 Difference]: Finished difference Result 301 states and 453 transitions. [2020-10-15 02:34:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 02:34:35,055 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 88 [2020-10-15 02:34:35,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:34:35,058 INFO L225 Difference]: With dead ends: 301 [2020-10-15 02:34:35,058 INFO L226 Difference]: Without dead ends: 187 [2020-10-15 02:34:35,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-15 02:34:35,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-15 02:34:35,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-15 02:34:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-15 02:34:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 232 transitions. [2020-10-15 02:34:35,087 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 232 transitions. Word has length 88 [2020-10-15 02:34:35,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:34:35,088 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 232 transitions. [2020-10-15 02:34:35,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:34:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 232 transitions. [2020-10-15 02:34:35,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-15 02:34:35,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:34:35,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:34:35,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:34:35,100 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:34:35,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:34:35,100 INFO L82 PathProgramCache]: Analyzing trace with hash 505994353, now seen corresponding path program 1 times [2020-10-15 02:34:35,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:34:35,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782011656] [2020-10-15 02:34:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:34:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:35,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:35,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:35,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:36,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-15 02:34:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:34:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:34:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:40,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:34:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:34:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-15 02:34:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:40,497 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:34:40,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:34:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:40,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:40,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:40,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:34:40,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:40,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:34:40,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:40,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:34:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:34:40,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:40,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:34:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:40,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:40,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:40,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 02:34:40,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-15 02:34:40,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:40,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:34:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 02:34:40,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:40,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 02:34:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:40,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:40,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:40,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:34:40,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:40,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:34:40,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:40,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:34:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:34:40,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:40,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:34:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:40,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:40,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:40,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:34:40,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:40,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:40,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:34:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:40,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:40,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:40,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:34:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:40,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:41,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:34:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:41,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:41,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:34:41,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:41,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:34:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:41,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:41,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:34:41,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:34:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:34:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:41,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:41,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:41,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:34:41,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:41,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:41,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:34:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:41,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:41,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 02:34:41,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:41,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:41,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 02:34:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:41,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:41,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:34:41,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:41,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:41,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:41,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 02:34:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:41,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:34:41,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:34:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:34:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:34:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:34:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-15 02:34:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:34:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:34:41,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:34:41,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:34:41,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:34:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:34:41,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:34:41,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:34:41,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:34:41,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:34:41,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:34:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:34:41,674 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 02:34:41,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782011656] [2020-10-15 02:34:41,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:34:41,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-15 02:34:41,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089266954] [2020-10-15 02:34:41,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-15 02:34:41,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:34:41,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-15 02:34:41,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2020-10-15 02:34:41,678 INFO L87 Difference]: Start difference. First operand 187 states and 232 transitions. Second operand 28 states. [2020-10-15 02:34:41,994 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 02:34:42,248 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-15 02:34:42,506 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 02:34:42,759 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:34:43,017 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 02:34:43,310 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 02:34:43,582 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 02:34:43,872 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 02:34:44,292 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:34:44,674 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:34:45,170 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:34:45,384 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:34:46,412 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:34:46,628 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:34:47,287 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 02:34:47,817 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:34:48,038 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:34:48,174 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:34:48,305 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:34:49,529 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:34:49,849 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:34:49,983 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:34:51,660 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:34:51,921 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:34:52,068 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:34:52,207 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:34:52,742 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:34:53,093 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:34:53,234 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:34:53,656 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:34:53,801 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:34:54,182 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:34:54,477 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:34:54,635 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:34:54,785 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:34:54,947 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:34:55,095 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:34:55,510 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:34:55,883 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:34:56,026 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:34:56,180 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-15 02:34:57,492 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 02:34:57,760 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 02:34:58,029 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 02:34:58,291 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 02:34:58,565 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 02:34:58,822 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 02:34:59,056 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 02:34:59,275 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 02:35:01,227 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:01,384 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:01,542 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:01,696 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:35:01,846 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:35:02,296 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-15 02:35:02,728 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:35:02,880 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:35:03,479 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-15 02:35:04,784 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:35:04,945 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:05,105 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:05,263 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:05,415 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:05,711 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:35:06,119 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:06,316 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:06,478 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:06,634 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:35:08,047 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:35:08,218 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:08,376 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:08,528 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:08,679 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:08,847 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:09,392 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:09,551 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:09,702 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:09,851 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:35:11,083 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:35:11,250 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:11,430 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:11,582 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:11,730 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:11,872 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:12,418 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:12,576 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:12,729 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:12,879 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:35:13,217 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:35:13,976 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:14,164 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:14,311 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:14,472 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:14,630 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:14,785 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:14,933 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:15,344 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:15,496 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:35:15,645 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:35:15,803 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:16,000 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:16,680 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:35:16,867 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:17,020 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:17,170 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:17,317 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:17,460 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:18,015 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:18,171 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:18,323 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:18,536 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:19,174 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:35:19,337 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:19,491 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:19,654 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:19,818 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:19,964 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:20,505 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:20,661 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:21,449 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-10-15 02:35:21,618 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:35:21,775 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:35:21,934 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:22,088 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:22,241 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:22,389 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:22,835 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:35:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:35:35,264 INFO L93 Difference]: Finished difference Result 2507 states and 3966 transitions. [2020-10-15 02:35:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2020-10-15 02:35:35,265 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 148 [2020-10-15 02:35:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:35:35,294 INFO L225 Difference]: With dead ends: 2507 [2020-10-15 02:35:35,294 INFO L226 Difference]: Without dead ends: 2399 [2020-10-15 02:35:35,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 257 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27113 ImplicationChecksByTransitivity, 29.8s TimeCoverageRelationStatistics Valid=10291, Invalid=56531, Unknown=0, NotChecked=0, Total=66822 [2020-10-15 02:35:35,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2399 states. [2020-10-15 02:35:35,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2399 to 1977. [2020-10-15 02:35:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1977 states. [2020-10-15 02:35:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2818 transitions. [2020-10-15 02:35:35,600 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2818 transitions. Word has length 148 [2020-10-15 02:35:35,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:35:35,601 INFO L479 AbstractCegarLoop]: Abstraction has 1977 states and 2818 transitions. [2020-10-15 02:35:35,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-15 02:35:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2818 transitions. [2020-10-15 02:35:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:35:35,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:35:35,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:35:35,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:35:35,609 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:35:35,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:35:35,609 INFO L82 PathProgramCache]: Analyzing trace with hash 219996329, now seen corresponding path program 1 times [2020-10-15 02:35:35,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:35:35,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312558695] [2020-10-15 02:35:35,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:35:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:35,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:36,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:38,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:40,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:40,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:35:40,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:35:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 02:35:40,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:40,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:35:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 02:35:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-15 02:35:40,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:35:40,963 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:35:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:35:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:40,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:40,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:40,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:35:40,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:35:40,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:40,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:35:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:40,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:35:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:40,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:35:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:40,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 02:35:41,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-15 02:35:41,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:35:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:41,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 02:35:41,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:41,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 02:35:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:35:41,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:35:41,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:35:41,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:35:41,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:35:41,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:35:41,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:35:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:35:41,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:35:41,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:35:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:35:41,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:35:41,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:35:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:35:41,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:41,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:35:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:35:41,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:35:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:35:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:35:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:35:41,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:35:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:35:41,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:41,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 02:35:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:35:41,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:41,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 02:35:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:35:41,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:35:41,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:35:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:35:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:35:41,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:35:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-15 02:35:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:35:41,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:35:41,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:35:41,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:35:41,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:35:41,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:35:41,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:35:41,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:35:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:35:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:35:41,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:35:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:35:42,066 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 02:35:42,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [312558695] [2020-10-15 02:35:42,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:35:42,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-15 02:35:42,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012372507] [2020-10-15 02:35:42,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-15 02:35:42,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:35:42,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-15 02:35:42,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2020-10-15 02:35:42,072 INFO L87 Difference]: Start difference. First operand 1977 states and 2818 transitions. Second operand 28 states. [2020-10-15 02:35:42,428 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-15 02:35:42,687 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-15 02:35:42,928 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:35:43,201 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 02:35:43,528 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 02:35:43,824 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 02:35:44,121 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 02:35:44,425 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 02:35:44,864 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:35:45,360 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:35:45,587 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 02:35:45,772 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:45,911 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:46,442 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:35:46,695 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 02:35:46,988 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:47,133 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:47,286 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:47,543 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:35:48,166 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:35:48,474 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 02:35:48,809 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:48,946 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:49,090 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:49,242 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:35:49,800 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:35:50,418 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:35:50,724 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 02:35:51,067 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:35:51,214 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:51,350 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:51,636 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:35:52,353 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:35:52,499 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:35:53,138 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:35:53,416 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-15 02:35:53,839 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:35:53,999 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 02:35:54,155 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:35:54,340 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:35:54,474 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:54,631 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 02:35:54,935 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:55,086 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:35:55,538 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:55,685 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:35:55,823 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:35:56,489 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:35:56,782 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-15 02:35:57,429 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 02:35:57,609 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-15 02:35:57,782 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:35:57,951 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:35:58,151 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:35:58,297 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:35:58,467 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:35:58,811 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:35:58,986 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:35:59,161 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:35:59,327 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:35:59,482 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:59,649 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:35:59,801 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:35:59,946 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:36:00,802 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:01,137 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-15 02:36:02,100 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:36:02,289 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:36:02,473 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:02,649 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:36:02,809 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:02,962 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:36:03,107 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:36:03,292 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:03,656 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:36:03,833 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:03,998 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:36:04,162 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:36:04,638 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:36:04,805 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:36:04,969 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:36:05,124 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:36:06,223 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-15 02:36:09,394 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:36:09,574 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-15 02:36:09,786 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:36:10,023 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:36:10,286 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:36:10,587 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:36:10,814 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:36:11,797 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:36:11,995 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:36:12,189 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:36:12,373 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:36:13,159 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 02:36:13,351 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:36:13,535 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:36:13,710 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:13,874 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:36:14,031 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:14,178 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:36:15,532 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:36:15,746 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:36:15,945 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:16,136 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:36:16,320 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:36:16,504 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:16,900 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 02:36:17,115 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:36:17,316 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:36:17,495 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:17,661 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-15 02:36:17,819 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:18,778 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:19,104 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:36:19,314 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:36:19,520 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:19,715 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:36:19,905 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 02:36:20,318 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:36:20,518 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:36:20,695 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:20,867 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:36:21,029 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:36:21,622 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:36:21,844 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:36:22,124 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:36:22,328 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:22,523 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:36:22,711 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:36:23,229 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:36:23,434 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:36:23,612 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:23,781 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:36:24,303 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:36:24,533 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:36:24,807 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:36:25,007 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:36:25,201 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:36:25,707 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:25,914 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:36:26,097 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:36:26,522 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:36:26,722 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-15 02:36:26,978 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:36:27,192 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:36:27,821 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-15 02:36:28,045 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 02:36:28,371 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-15 02:36:28,550 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-15 02:36:28,814 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-15 02:36:29,264 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 02:36:29,518 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-15 02:36:40,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:36:40,673 INFO L93 Difference]: Finished difference Result 5722 states and 9049 transitions. [2020-10-15 02:36:40,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2020-10-15 02:36:40,674 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 150 [2020-10-15 02:36:40,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:36:40,704 INFO L225 Difference]: With dead ends: 5722 [2020-10-15 02:36:40,704 INFO L226 Difference]: Without dead ends: 3824 [2020-10-15 02:36:40,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28213 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=10468, Invalid=55324, Unknown=0, NotChecked=0, Total=65792 [2020-10-15 02:36:40,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2020-10-15 02:36:41,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 2740. [2020-10-15 02:36:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2740 states. [2020-10-15 02:36:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 3957 transitions. [2020-10-15 02:36:41,094 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 3957 transitions. Word has length 150 [2020-10-15 02:36:41,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:36:41,095 INFO L479 AbstractCegarLoop]: Abstraction has 2740 states and 3957 transitions. [2020-10-15 02:36:41,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-15 02:36:41,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3957 transitions. [2020-10-15 02:36:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:36:41,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:36:41,102 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:36:41,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:36:41,103 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:36:41,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:36:41,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1507698785, now seen corresponding path program 1 times [2020-10-15 02:36:41,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:36:41,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736756503] [2020-10-15 02:36:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:36:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:41,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:41,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:41,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:36:46,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:36:46,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:36:46,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:36:46,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:36:46,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-15 02:36:46,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:36:46,499 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:36:46,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:36:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:36:46,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:36:46,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:36:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:36:46,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:36:46,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:36:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 02:36:46,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:36:46,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 02:36:46,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:36:46,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 02:36:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:36:46,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:36:46,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:36:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:36:46,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:36:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:46,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 02:36:46,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:36:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:36:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:36:46,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:36:46,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:36:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:46,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:36:46,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:36:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:36:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:36:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:36:46,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:36:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:36:46,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:36:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:46,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:36:46,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:36:46,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:36:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:36:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:46,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:36:46,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:46,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:36:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:36:46,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:36:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:46,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:46,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:46,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:46,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:36:46,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:46,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:36:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:36:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 02:36:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:47,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:47,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:47,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:47,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:47,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:36:47,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:47,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:47,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:47,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:36:47,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:36:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 02:36:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:47,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:47,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:36:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:36:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:36:47,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:47,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:36:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:36:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:36:47,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-15 02:36:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:47,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:47,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:47,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:36:47,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:36:47,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:36:47,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:36:47,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:36:47,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:36:47,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:36:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:36:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:36:47,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:36:47,151 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 02:36:47,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736756503] [2020-10-15 02:36:47,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:36:47,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 02:36:47,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920036385] [2020-10-15 02:36:47,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:36:47,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:36:47,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:36:47,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:36:47,154 INFO L87 Difference]: Start difference. First operand 2740 states and 3957 transitions. Second operand 16 states. [2020-10-15 02:36:47,406 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:36:47,927 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:36:48,092 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:48,434 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 02:36:48,593 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:48,729 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:49,070 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:49,212 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:49,535 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:49,677 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:49,992 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:50,143 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:50,465 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:50,607 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:50,941 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:51,074 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:51,389 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:51,530 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:36:52,196 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:36:52,460 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:52,781 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:53,122 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:53,487 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:53,832 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:54,298 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:54,622 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:54,939 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:55,467 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 02:36:56,014 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:36:56,295 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:56,551 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:56,880 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:57,209 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:57,531 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:57,819 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:36:58,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:36:58,454 INFO L93 Difference]: Finished difference Result 12844 states and 18719 transitions. [2020-10-15 02:36:58,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-15 02:36:58,454 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 150 [2020-10-15 02:36:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:36:58,507 INFO L225 Difference]: With dead ends: 12844 [2020-10-15 02:36:58,507 INFO L226 Difference]: Without dead ends: 10183 [2020-10-15 02:36:58,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=551, Invalid=2205, Unknown=0, NotChecked=0, Total=2756 [2020-10-15 02:36:58,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10183 states. [2020-10-15 02:36:59,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10183 to 10177. [2020-10-15 02:36:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10177 states. [2020-10-15 02:36:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 14679 transitions. [2020-10-15 02:36:59,460 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 14679 transitions. Word has length 150 [2020-10-15 02:36:59,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:36:59,461 INFO L479 AbstractCegarLoop]: Abstraction has 10177 states and 14679 transitions. [2020-10-15 02:36:59,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:36:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 14679 transitions. [2020-10-15 02:36:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:36:59,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:36:59,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:36:59,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:36:59,468 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:36:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:36:59,469 INFO L82 PathProgramCache]: Analyzing trace with hash 423868795, now seen corresponding path program 1 times [2020-10-15 02:36:59,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:36:59,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118941432] [2020-10-15 02:36:59,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:36:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:36:59,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:59,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:36:59,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:00,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:04,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:04,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:37:04,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:37:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-15 02:37:04,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:04,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:37:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:37:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-15 02:37:04,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:04,858 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:37:04,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:37:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:04,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:04,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:04,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:37:04,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:04,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:37:04,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:04,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:37:04,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:04,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:37:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:04,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:04,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:04,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 02:37:04,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:04,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 02:37:04,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:04,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:37:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:04,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 02:37:04,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 02:37:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:04,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:37:05,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:37:05,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:37:05,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:37:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:05,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:37:05,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:05,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:37:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:05,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:37:05,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:05,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:37:05,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:37:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:05,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:37:05,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:05,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:37:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:05,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:37:05,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:05,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:05,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:37:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:05,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:37:05,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:05,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:05,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:37:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:05,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:37:05,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:05,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:05,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 02:37:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:05,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:37:05,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:05,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-15 02:37:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:37:05,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:37:05,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:37:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:37:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:37:05,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-15 02:37:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:05,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:05,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:05,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:37:05,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:05,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:05,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:05,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:37:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:05,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:37:05,568 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 02:37:05,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118941432] [2020-10-15 02:37:05,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:37:05,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:37:05,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533571554] [2020-10-15 02:37:05,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:37:05,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:37:05,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:37:05,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:37:05,571 INFO L87 Difference]: Start difference. First operand 10177 states and 14679 transitions. Second operand 18 states. [2020-10-15 02:37:06,072 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-10-15 02:37:06,341 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:37:07,312 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-15 02:37:07,556 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-10-15 02:37:07,893 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:08,236 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:08,670 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:09,026 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:09,388 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:09,754 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:10,332 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-15 02:37:10,631 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-15 02:37:11,131 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-10-15 02:37:11,454 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:11,776 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:12,134 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:12,473 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:12,809 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:13,244 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:13,603 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-10-15 02:37:13,887 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-10-15 02:37:14,137 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-15 02:37:14,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:37:14,494 INFO L93 Difference]: Finished difference Result 21979 states and 31534 transitions. [2020-10-15 02:37:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 02:37:14,494 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 150 [2020-10-15 02:37:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:37:14,550 INFO L225 Difference]: With dead ends: 21979 [2020-10-15 02:37:14,551 INFO L226 Difference]: Without dead ends: 11881 [2020-10-15 02:37:14,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=503, Invalid=1389, Unknown=0, NotChecked=0, Total=1892 [2020-10-15 02:37:14,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11881 states. [2020-10-15 02:37:16,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11881 to 11375. [2020-10-15 02:37:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11375 states. [2020-10-15 02:37:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11375 states to 11375 states and 16350 transitions. [2020-10-15 02:37:16,169 INFO L78 Accepts]: Start accepts. Automaton has 11375 states and 16350 transitions. Word has length 150 [2020-10-15 02:37:16,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:37:16,169 INFO L479 AbstractCegarLoop]: Abstraction has 11375 states and 16350 transitions. [2020-10-15 02:37:16,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:37:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 11375 states and 16350 transitions. [2020-10-15 02:37:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:37:16,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:37:16,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:37:16,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:37:16,176 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:37:16,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:37:16,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1953808835, now seen corresponding path program 1 times [2020-10-15 02:37:16,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:37:16,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035683025] [2020-10-15 02:37:16,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:37:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:16,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:16,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:17,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:17,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:37:21,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:37:21,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 02:37:21,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:37:21,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:37:21,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-15 02:37:21,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,466 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:37:21,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:37:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:37:21,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:37:21,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:37:21,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:37:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 02:37:21,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 02:37:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:37:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 02:37:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 02:37:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:37:21,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:37:21,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:37:21,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:37:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:21,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:37:21,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:21,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:37:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:21,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:37:21,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:21,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:37:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:21,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:21,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:37:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:21,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:21,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:21,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:37:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:21,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:37:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:21,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:37:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:21,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:21,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:21,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:21,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:21,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-15 02:37:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:37:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:37:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-15 02:37:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:21,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:37:21,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:37:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:21,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-15 02:37:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:21,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:21,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:21,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:37:21,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:37:21,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:21,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:37:21,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:21,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:21,951 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 02:37:21,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035683025] [2020-10-15 02:37:21,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:37:21,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:37:21,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167423085] [2020-10-15 02:37:21,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:37:21,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:37:21,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:37:21,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:37:21,953 INFO L87 Difference]: Start difference. First operand 11375 states and 16350 transitions. Second operand 18 states. [2020-10-15 02:37:22,243 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 02:37:22,497 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:37:23,165 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 02:37:23,302 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 02:37:23,550 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:37:23,789 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:37:24,035 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:37:24,273 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:37:24,515 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-15 02:37:24,846 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 02:37:25,006 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:37:26,013 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:37:26,468 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-15 02:37:26,911 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-15 02:37:27,070 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 02:37:27,234 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-15 02:37:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:37:28,039 INFO L93 Difference]: Finished difference Result 23501 states and 33571 transitions. [2020-10-15 02:37:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 02:37:28,040 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 150 [2020-10-15 02:37:28,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:37:28,088 INFO L225 Difference]: With dead ends: 23501 [2020-10-15 02:37:28,088 INFO L226 Difference]: Without dead ends: 13020 [2020-10-15 02:37:28,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=477, Invalid=1329, Unknown=0, NotChecked=0, Total=1806 [2020-10-15 02:37:28,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13020 states. [2020-10-15 02:37:28,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13020 to 11802. [2020-10-15 02:37:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11802 states. [2020-10-15 02:37:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11802 states to 11802 states and 16911 transitions. [2020-10-15 02:37:28,952 INFO L78 Accepts]: Start accepts. Automaton has 11802 states and 16911 transitions. Word has length 150 [2020-10-15 02:37:28,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:37:28,952 INFO L479 AbstractCegarLoop]: Abstraction has 11802 states and 16911 transitions. [2020-10-15 02:37:28,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:37:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 11802 states and 16911 transitions. [2020-10-15 02:37:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:37:28,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:37:28,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:37:28,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:37:28,959 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:37:28,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:37:28,959 INFO L82 PathProgramCache]: Analyzing trace with hash 625459909, now seen corresponding path program 1 times [2020-10-15 02:37:28,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:37:28,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131794741] [2020-10-15 02:37:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:37:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:29,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:29,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:29,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:29,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:29,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:31,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-15 02:37:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-15 02:37:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,253 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:37:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:37:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:37:34,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:37:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:37:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 02:37:34,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 02:37:34,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 02:37:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 02:37:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:37:34,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:37:34,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:37:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:37:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:34,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:37:34,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:37:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:34,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:37:34,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:37:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:34,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:37:34,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:37:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:37:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:34,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:34,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:37:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:37:34,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:34,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:37:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 02:37:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-15 02:37:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:34,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:37:34,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:37:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:37:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:37:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-15 02:37:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:34,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:37:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:37:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:34,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:37:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:34,672 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 02:37:34,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131794741] [2020-10-15 02:37:34,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:37:34,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 02:37:34,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844880431] [2020-10-15 02:37:34,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:37:34,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:37:34,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:37:34,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:37:34,674 INFO L87 Difference]: Start difference. First operand 11802 states and 16911 transitions. Second operand 14 states. [2020-10-15 02:37:34,929 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:37:35,432 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-15 02:37:35,645 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:37:35,861 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:37:36,084 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:37:36,360 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:37:36,579 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 02:37:38,683 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-15 02:37:38,852 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-15 02:37:40,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:37:40,003 INFO L93 Difference]: Finished difference Result 32276 states and 46633 transitions. [2020-10-15 02:37:40,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:37:40,004 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 150 [2020-10-15 02:37:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:37:40,072 INFO L225 Difference]: With dead ends: 32276 [2020-10-15 02:37:40,072 INFO L226 Difference]: Without dead ends: 21544 [2020-10-15 02:37:40,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-15 02:37:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21544 states. [2020-10-15 02:37:41,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21544 to 20657. [2020-10-15 02:37:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20657 states. [2020-10-15 02:37:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20657 states to 20657 states and 29570 transitions. [2020-10-15 02:37:41,631 INFO L78 Accepts]: Start accepts. Automaton has 20657 states and 29570 transitions. Word has length 150 [2020-10-15 02:37:41,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:37:41,631 INFO L479 AbstractCegarLoop]: Abstraction has 20657 states and 29570 transitions. [2020-10-15 02:37:41,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:37:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 20657 states and 29570 transitions. [2020-10-15 02:37:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:37:41,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:37:41,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:37:41,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:37:41,636 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:37:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:37:41,637 INFO L82 PathProgramCache]: Analyzing trace with hash -968824773, now seen corresponding path program 1 times [2020-10-15 02:37:41,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:37:41,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205832753] [2020-10-15 02:37:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:37:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:41,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:41,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:42,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:46,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:46,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-15 02:37:46,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:37:46,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-15 02:37:46,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:46,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:37:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 02:37:46,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-15 02:37:46,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:46,968 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-15 02:37:46,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:37:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:46,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:46,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:37:46,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:37:46,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:46,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 02:37:46,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:46,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:37:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:47,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 02:37:47,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 02:37:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:37:47,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:37:47,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:37:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 02:37:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:47,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:37:47,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:47,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:47,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:47,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 02:37:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:47,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:37:47,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:47,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:47,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 02:37:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-15 02:37:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:47,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:37:47,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:47,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:47,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:47,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:37:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:37:47,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:37:47,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-15 02:37:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 02:37:47,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:37:47,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:37:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:37:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:37:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 02:37:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:47,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:37:47,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:37:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-15 02:37:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:37:47,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:37:47,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:47,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:37:47,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:47,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-15 02:37:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:47,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:37:47,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:37:47,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:37:47,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:37:47,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:37:47,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:37:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:37:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:37:47,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:37:47,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:37:47,432 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 02:37:47,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205832753] [2020-10-15 02:37:47,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:37:47,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 02:37:47,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971781382] [2020-10-15 02:37:47,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:37:47,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:37:47,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:37:47,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:37:47,434 INFO L87 Difference]: Start difference. First operand 20657 states and 29570 transitions. Second operand 18 states. [2020-10-15 02:37:47,939 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-10-15 02:37:48,203 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-15 02:37:49,174 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-15 02:37:49,512 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-10-15 02:37:49,865 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:50,211 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:50,563 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:50,921 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:51,491 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-10-15 02:37:51,783 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-15 02:37:52,081 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:52,405 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2020-10-15 02:37:52,859 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-10-15 02:37:53,161 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:53,466 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:53,780 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:54,088 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:54,417 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2020-10-15 02:37:54,669 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-10-15 02:37:54,920 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2020-10-15 02:37:55,271 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:55,667 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-10-15 02:37:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:37:57,045 INFO L93 Difference]: Finished difference Result 45471 states and 64683 transitions. [2020-10-15 02:37:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 02:37:57,045 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 150 [2020-10-15 02:37:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:37:57,120 INFO L225 Difference]: With dead ends: 45471 [2020-10-15 02:37:57,120 INFO L226 Difference]: Without dead ends: 25453 [2020-10-15 02:37:57,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=503, Invalid=1389, Unknown=0, NotChecked=0, Total=1892 [2020-10-15 02:37:57,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25453 states. [2020-10-15 02:37:58,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25453 to 20524. [2020-10-15 02:37:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20524 states. [2020-10-15 02:37:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20524 states to 20524 states and 29364 transitions. [2020-10-15 02:37:58,931 INFO L78 Accepts]: Start accepts. Automaton has 20524 states and 29364 transitions. Word has length 150 [2020-10-15 02:37:58,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:37:58,932 INFO L479 AbstractCegarLoop]: Abstraction has 20524 states and 29364 transitions. [2020-10-15 02:37:58,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:37:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20524 states and 29364 transitions. [2020-10-15 02:37:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-15 02:37:58,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:37:58,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:37:58,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:37:58,937 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:37:58,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:37:58,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1923308365, now seen corresponding path program 1 times [2020-10-15 02:37:58,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:37:58,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622409078] [2020-10-15 02:37:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:37:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:37:59,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:59,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:59,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:59,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:37:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking...