/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/array-cav19/array_init_nondet_vars.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 17:31:43,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 17:31:43,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 17:31:43,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 17:31:43,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 17:31:43,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 17:31:43,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 17:31:43,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 17:31:43,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 17:31:43,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 17:31:43,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 17:31:43,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 17:31:43,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 17:31:43,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 17:31:43,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 17:31:43,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 17:31:43,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 17:31:43,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 17:31:43,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 17:31:43,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 17:31:43,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 17:31:43,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 17:31:43,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 17:31:43,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 17:31:43,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 17:31:43,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 17:31:43,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 17:31:43,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 17:31:43,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 17:31:43,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 17:31:43,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 17:31:43,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 17:31:43,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 17:31:43,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 17:31:43,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 17:31:43,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 17:31:43,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 17:31:43,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 17:31:43,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 17:31:43,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 17:31:43,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 17:31:43,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 17:31:43,460 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 17:31:43,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 17:31:43,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 17:31:43,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 17:31:43,463 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 17:31:43,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 17:31:43,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 17:31:43,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 17:31:43,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 17:31:43,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 17:31:43,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 17:31:43,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 17:31:43,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 17:31:43,467 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 17:31:43,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 17:31:43,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 17:31:43,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 17:31:43,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 17:31:43,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 17:31:43,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 17:31:43,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 17:31:43,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 17:31:43,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 17:31:43,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 17:31:43,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 17:31:43,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 17:31:43,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 17:31:43,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 17:31:43,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 17:31:43,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 17:31:43,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 17:31:43,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 17:31:43,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 17:31:43,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 17:31:43,813 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 17:31:43,814 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-cav19/array_init_nondet_vars.c [2020-10-14 17:31:43,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1dd09de4/5ca6504c455f42beb82585836dd7f9eb/FLAG71a67a635 [2020-10-14 17:31:44,351 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 17:31:44,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-cav19/array_init_nondet_vars.c [2020-10-14 17:31:44,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1dd09de4/5ca6504c455f42beb82585836dd7f9eb/FLAG71a67a635 [2020-10-14 17:31:44,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f1dd09de4/5ca6504c455f42beb82585836dd7f9eb [2020-10-14 17:31:44,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 17:31:44,719 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 17:31:44,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 17:31:44,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 17:31:44,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 17:31:44,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:44,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fa4179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44, skipping insertion in model container [2020-10-14 17:31:44,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:44,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 17:31:44,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 17:31:44,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:31:44,942 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 17:31:44,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:31:44,979 INFO L208 MainTranslator]: Completed translation [2020-10-14 17:31:44,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44 WrapperNode [2020-10-14 17:31:44,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 17:31:44,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 17:31:44,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 17:31:44,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 17:31:45,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:45,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:45,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:45,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:45,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:45,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:45,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... [2020-10-14 17:31:45,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 17:31:45,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 17:31:45,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 17:31:45,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 17:31:45,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 17:31:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 17:31:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 17:31:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 17:31:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 17:31:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 17:31:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 17:31:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 17:31:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 17:31:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 17:31:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 17:31:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 17:31:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 17:31:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 17:31:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 17:31:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 17:31:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 17:31:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 17:31:45,444 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 17:31:45,444 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 17:31:45,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:31:45 BoogieIcfgContainer [2020-10-14 17:31:45,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 17:31:45,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 17:31:45,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 17:31:45,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 17:31:45,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:31:44" (1/3) ... [2020-10-14 17:31:45,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a0bcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:31:45, skipping insertion in model container [2020-10-14 17:31:45,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:31:44" (2/3) ... [2020-10-14 17:31:45,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a0bcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:31:45, skipping insertion in model container [2020-10-14 17:31:45,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:31:45" (3/3) ... [2020-10-14 17:31:45,459 INFO L109 eAbstractionObserver]: Analyzing ICFG array_init_nondet_vars.c [2020-10-14 17:31:45,472 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 17:31:45,479 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 17:31:45,495 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 17:31:45,522 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 17:31:45,523 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 17:31:45,523 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 17:31:45,523 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 17:31:45,523 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 17:31:45,523 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 17:31:45,523 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 17:31:45,524 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 17:31:45,544 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-10-14 17:31:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-14 17:31:45,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:45,553 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:45,554 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2098764186, now seen corresponding path program 1 times [2020-10-14 17:31:45,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:45,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567822068] [2020-10-14 17:31:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:45,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:45,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:45,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 17:31:46,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:31:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-14 17:31:46,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:46,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:31:46,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 17:31:46,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 17:31:46,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:46,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:46,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:46,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:46,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:46,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:46,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 17:31:46,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:46,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:46,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:46,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:46,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:46,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:46,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 17:31:46,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:46,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 17:31:46,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567822068] [2020-10-14 17:31:46,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:31:46,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 17:31:46,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264725298] [2020-10-14 17:31:46,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 17:31:46,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:46,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 17:31:46,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 17:31:46,344 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 6 states. [2020-10-14 17:31:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:46,578 INFO L93 Difference]: Finished difference Result 74 states and 101 transitions. [2020-10-14 17:31:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 17:31:46,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-10-14 17:31:46,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:46,592 INFO L225 Difference]: With dead ends: 74 [2020-10-14 17:31:46,593 INFO L226 Difference]: Without dead ends: 37 [2020-10-14 17:31:46,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 17:31:46,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-14 17:31:46,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2020-10-14 17:31:46,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-14 17:31:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-10-14 17:31:46,651 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 25 [2020-10-14 17:31:46,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:46,652 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-10-14 17:31:46,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 17:31:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-10-14 17:31:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-14 17:31:46,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:46,656 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:46,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 17:31:46,656 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:46,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:46,657 INFO L82 PathProgramCache]: Analyzing trace with hash 265227311, now seen corresponding path program 1 times [2020-10-14 17:31:46,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:46,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190856330] [2020-10-14 17:31:46,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:46,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 17:31:47,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:47,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-10-14 17:31:47,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 17:31:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:31:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 17:31:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:47,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:47,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:47,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:47,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:47,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:47,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:47,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:47,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:47,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:47,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:47,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:47,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:47,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 17:31:47,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:47,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:47,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:47,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:47,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:47,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:47,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 17:31:47,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:47,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:31:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:47,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 17:31:47,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190856330] [2020-10-14 17:31:47,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:47,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 17:31:47,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229985825] [2020-10-14 17:31:47,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 17:31:47,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:47,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 17:31:47,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-10-14 17:31:47,391 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 13 states. [2020-10-14 17:31:48,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:48,050 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2020-10-14 17:31:48,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 17:31:48,050 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2020-10-14 17:31:48,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:48,052 INFO L225 Difference]: With dead ends: 55 [2020-10-14 17:31:48,052 INFO L226 Difference]: Without dead ends: 53 [2020-10-14 17:31:48,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2020-10-14 17:31:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-14 17:31:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 41. [2020-10-14 17:31:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-14 17:31:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2020-10-14 17:31:48,070 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 33 [2020-10-14 17:31:48,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:48,071 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-10-14 17:31:48,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 17:31:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2020-10-14 17:31:48,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 17:31:48,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:48,073 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:48,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 17:31:48,074 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:48,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:48,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1167596070, now seen corresponding path program 1 times [2020-10-14 17:31:48,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:48,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567655402] [2020-10-14 17:31:48,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 17:31:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 17:31:48,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 17:31:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:31:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 17:31:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 17:31:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:48,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:48,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:48,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:48,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:31:48,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:48,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:48,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:48,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 17:31:48,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:48,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:48,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:48,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:48,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:48,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:31:48,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:48,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:48,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 17:31:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:48,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:48,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:48,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:48,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:48,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 17:31:48,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567655402] [2020-10-14 17:31:48,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:48,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 17:31:48,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753799523] [2020-10-14 17:31:48,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 17:31:48,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:48,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 17:31:48,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 17:31:48,409 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 8 states. [2020-10-14 17:31:48,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:48,621 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2020-10-14 17:31:48,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 17:31:48,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-14 17:31:48,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:48,623 INFO L225 Difference]: With dead ends: 65 [2020-10-14 17:31:48,623 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 17:31:48,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 17:31:48,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 17:31:48,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2020-10-14 17:31:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-14 17:31:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2020-10-14 17:31:48,633 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 41 [2020-10-14 17:31:48,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:48,633 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2020-10-14 17:31:48,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 17:31:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2020-10-14 17:31:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 17:31:48,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:48,635 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:48,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 17:31:48,636 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:48,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:48,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1374503872, now seen corresponding path program 2 times [2020-10-14 17:31:48,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:48,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429638457] [2020-10-14 17:31:48,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:48,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 17:31:49,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:49,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-14 17:31:49,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 17:31:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:31:49,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 17:31:49,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:49,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:49,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:49,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:49,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:49,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:31:49,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:31:49,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:31:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:49,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:49,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:49,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:49,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:49,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:49,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:49,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 17:31:49,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429638457] [2020-10-14 17:31:49,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:49,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 17:31:49,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020069877] [2020-10-14 17:31:49,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 17:31:49,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:49,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 17:31:49,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-10-14 17:31:49,592 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 16 states. [2020-10-14 17:31:50,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:50,108 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2020-10-14 17:31:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 17:31:50,109 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 41 [2020-10-14 17:31:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:50,110 INFO L225 Difference]: With dead ends: 63 [2020-10-14 17:31:50,111 INFO L226 Difference]: Without dead ends: 61 [2020-10-14 17:31:50,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=550, Unknown=0, NotChecked=0, Total=650 [2020-10-14 17:31:50,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-14 17:31:50,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2020-10-14 17:31:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-14 17:31:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2020-10-14 17:31:50,123 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 41 [2020-10-14 17:31:50,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:50,124 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2020-10-14 17:31:50,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 17:31:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2020-10-14 17:31:50,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 17:31:50,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:50,126 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:50,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 17:31:50,126 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:50,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:50,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1250358507, now seen corresponding path program 2 times [2020-10-14 17:31:50,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:50,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841852221] [2020-10-14 17:31:50,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 17:31:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-14 17:31:50,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 17:31:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:31:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 17:31:50,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:50,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:50,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:50,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:50,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:50,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:31:50,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:50,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:50,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:50,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:31:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:31:50,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:31:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:50,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:31:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:50,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:50,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:50,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:50,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:50,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 17:31:50,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841852221] [2020-10-14 17:31:50,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:50,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 17:31:50,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711314272] [2020-10-14 17:31:50,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 17:31:50,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:50,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 17:31:50,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-14 17:31:50,819 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand 16 states. [2020-10-14 17:31:51,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:51,514 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2020-10-14 17:31:51,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 17:31:51,515 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2020-10-14 17:31:51,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:51,517 INFO L225 Difference]: With dead ends: 71 [2020-10-14 17:31:51,517 INFO L226 Difference]: Without dead ends: 69 [2020-10-14 17:31:51,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2020-10-14 17:31:51,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-14 17:31:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 53. [2020-10-14 17:31:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-14 17:31:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2020-10-14 17:31:51,528 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 49 [2020-10-14 17:31:51,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:51,529 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2020-10-14 17:31:51,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 17:31:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2020-10-14 17:31:51,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 17:31:51,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:51,531 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:51,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 17:31:51,531 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:51,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:51,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1043450705, now seen corresponding path program 3 times [2020-10-14 17:31:51,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:51,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644850097] [2020-10-14 17:31:51,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:51,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:52,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-14 17:31:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:31:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2048 [2020-10-14 17:31:53,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 17:31:53,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:31:53,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 17:31:53,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:53,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:53,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:53,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:53,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:53,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:31:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:31:53,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:53,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:53,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:53,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:31:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:53,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:31:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:53,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:53,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:31:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:31:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 17:31:54,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:31:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:31:54,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:31:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 17:31:54,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644850097] [2020-10-14 17:31:54,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:54,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 17:31:54,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833633419] [2020-10-14 17:31:54,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 17:31:54,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:54,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 17:31:54,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-14 17:31:54,041 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 16 states. [2020-10-14 17:31:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:54,523 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2020-10-14 17:31:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 17:31:54,529 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2020-10-14 17:31:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:54,532 INFO L225 Difference]: With dead ends: 63 [2020-10-14 17:31:54,535 INFO L226 Difference]: Without dead ends: 61 [2020-10-14 17:31:54,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2020-10-14 17:31:54,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-14 17:31:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-10-14 17:31:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-14 17:31:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2020-10-14 17:31:54,550 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 49 [2020-10-14 17:31:54,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:54,551 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2020-10-14 17:31:54,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 17:31:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2020-10-14 17:31:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 17:31:54,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:54,556 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:54,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 17:31:54,556 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:54,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:54,557 INFO L82 PathProgramCache]: Analyzing trace with hash 888754838, now seen corresponding path program 3 times [2020-10-14 17:31:54,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:54,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586623412] [2020-10-14 17:31:54,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 17:31:54,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-14 17:31:54,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 17:31:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:31:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 17:31:54,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:54,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:54,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:54,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:54,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:54,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:54,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:54,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:54,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:54,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:31:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:31:54,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 17:31:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:54,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:54,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:31:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:54,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:54,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:54,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:54,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:54,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:54,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:54,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 17:31:54,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586623412] [2020-10-14 17:31:54,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:54,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 17:31:54,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142566073] [2020-10-14 17:31:54,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 17:31:54,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:54,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 17:31:54,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-14 17:31:54,877 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 10 states. [2020-10-14 17:31:55,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:55,136 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2020-10-14 17:31:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 17:31:55,137 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-14 17:31:55,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:55,138 INFO L225 Difference]: With dead ends: 81 [2020-10-14 17:31:55,138 INFO L226 Difference]: Without dead ends: 57 [2020-10-14 17:31:55,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-14 17:31:55,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-14 17:31:55,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2020-10-14 17:31:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-14 17:31:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2020-10-14 17:31:55,153 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 57 [2020-10-14 17:31:55,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:55,154 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2020-10-14 17:31:55,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 17:31:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2020-10-14 17:31:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 17:31:55,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:55,160 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:55,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 17:31:55,161 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:55,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:55,162 INFO L82 PathProgramCache]: Analyzing trace with hash 649224956, now seen corresponding path program 4 times [2020-10-14 17:31:55,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:55,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157020173] [2020-10-14 17:31:55,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:55,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:55,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 17:31:56,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:31:56,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-10-14 17:31:56,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 17:31:56,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:31:56,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 17:31:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:56,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:56,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:56,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:56,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:56,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:56,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:56,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:56,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:31:56,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:56,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:56,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:56,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:56,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:56,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:56,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:31:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:56,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:56,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:31:56,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:31:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:56,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:31:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:56,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:56,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:56,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:56,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:56,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:31:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:56,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:56,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:56,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:56,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 11 proven. 26 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 17:31:56,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157020173] [2020-10-14 17:31:56,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:56,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 17:31:56,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168722506] [2020-10-14 17:31:56,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 17:31:56,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:56,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 17:31:56,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-14 17:31:56,414 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 17 states. [2020-10-14 17:31:57,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:57,076 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2020-10-14 17:31:57,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 17:31:57,077 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 57 [2020-10-14 17:31:57,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:57,078 INFO L225 Difference]: With dead ends: 79 [2020-10-14 17:31:57,078 INFO L226 Difference]: Without dead ends: 77 [2020-10-14 17:31:57,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2020-10-14 17:31:57,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-14 17:31:57,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 59. [2020-10-14 17:31:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-14 17:31:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2020-10-14 17:31:57,090 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 57 [2020-10-14 17:31:57,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:57,090 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2020-10-14 17:31:57,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 17:31:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-10-14 17:31:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 17:31:57,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:57,091 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:57,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 17:31:57,092 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:57,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:57,092 INFO L82 PathProgramCache]: Analyzing trace with hash -161341529, now seen corresponding path program 5 times [2020-10-14 17:31:57,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:57,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004752704] [2020-10-14 17:31:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 17:31:57,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-14 17:31:57,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 17:31:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:31:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 17:31:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:31:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:31:57,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:31:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:31:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:31:57,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:31:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:31:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:31:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:57,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:31:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:57,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:31:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:57,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:31:57,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:31:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:57,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:31:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:31:57,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:31:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:31:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:31:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:31:57,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:31:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:57,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:57,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:31:57,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:31:57,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:31:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:31:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:31:57,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:31:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:31:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:31:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:31:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:31:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-14 17:31:57,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004752704] [2020-10-14 17:31:57,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:31:57,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 17:31:57,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246378725] [2020-10-14 17:31:57,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 17:31:57,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:31:57,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 17:31:57,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-14 17:31:57,847 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand 17 states. [2020-10-14 17:31:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:31:58,713 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2020-10-14 17:31:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 17:31:58,713 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 65 [2020-10-14 17:31:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:31:58,715 INFO L225 Difference]: With dead ends: 87 [2020-10-14 17:31:58,715 INFO L226 Difference]: Without dead ends: 85 [2020-10-14 17:31:58,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=704, Unknown=0, NotChecked=0, Total=812 [2020-10-14 17:31:58,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-14 17:31:58,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2020-10-14 17:31:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-14 17:31:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2020-10-14 17:31:58,728 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 65 [2020-10-14 17:31:58,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:31:58,728 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2020-10-14 17:31:58,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 17:31:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-10-14 17:31:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-14 17:31:58,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:31:58,729 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:31:58,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 17:31:58,730 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:31:58,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:31:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash -400871411, now seen corresponding path program 6 times [2020-10-14 17:31:58,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:31:58,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156374684] [2020-10-14 17:31:58,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:31:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:31:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:31:59,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 17:32:01,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:32:01,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2549 [2020-10-14 17:32:01,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 17:32:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 17:32:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:01,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:01,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:01,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:01,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:01,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:32:01,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:01,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:01,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:01,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:01,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:32:01,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:01,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:01,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:01,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:01,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:01,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:01,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:32:01,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:01,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:01,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-14 17:32:01,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156374684] [2020-10-14 17:32:01,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:01,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 17:32:01,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944402517] [2020-10-14 17:32:01,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 17:32:01,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:01,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 17:32:01,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-14 17:32:01,741 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand 18 states. [2020-10-14 17:32:02,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:02,535 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2020-10-14 17:32:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 17:32:02,536 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 65 [2020-10-14 17:32:02,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:02,537 INFO L225 Difference]: With dead ends: 79 [2020-10-14 17:32:02,537 INFO L226 Difference]: Without dead ends: 77 [2020-10-14 17:32:02,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2020-10-14 17:32:02,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-14 17:32:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2020-10-14 17:32:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-14 17:32:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2020-10-14 17:32:02,549 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 65 [2020-10-14 17:32:02,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:02,550 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2020-10-14 17:32:02,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 17:32:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2020-10-14 17:32:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-14 17:32:02,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:02,551 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:02,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 17:32:02,551 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:02,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:02,552 INFO L82 PathProgramCache]: Analyzing trace with hash -229899950, now seen corresponding path program 7 times [2020-10-14 17:32:02,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:02,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908648767] [2020-10-14 17:32:02,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 17:32:02,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-14 17:32:02,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 17:32:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:32:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 17:32:02,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:02,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:02,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:02,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:02,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:02,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:02,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:02,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:02,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:02,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:02,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:02,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:02,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:02,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:02,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:02,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:02,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:02,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:02,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:02,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:02,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:02,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:02,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 17:32:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:02,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:02,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:02,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:02,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:02,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:02,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:02,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:02,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:02,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:02,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:02,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:02,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:02,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:02,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:02,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-14 17:32:02,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908648767] [2020-10-14 17:32:02,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:02,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 17:32:02,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313629506] [2020-10-14 17:32:02,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 17:32:02,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:02,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 17:32:02,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 17:32:02,957 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand 12 states. [2020-10-14 17:32:03,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:03,250 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2020-10-14 17:32:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 17:32:03,250 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 73 [2020-10-14 17:32:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:03,251 INFO L225 Difference]: With dead ends: 97 [2020-10-14 17:32:03,251 INFO L226 Difference]: Without dead ends: 69 [2020-10-14 17:32:03,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 17:32:03,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-14 17:32:03,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2020-10-14 17:32:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-14 17:32:03,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2020-10-14 17:32:03,270 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 73 [2020-10-14 17:32:03,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:03,270 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2020-10-14 17:32:03,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 17:32:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2020-10-14 17:32:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-14 17:32:03,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:03,271 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:03,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 17:32:03,272 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:03,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:03,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1966689208, now seen corresponding path program 8 times [2020-10-14 17:32:03,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:03,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1828345804] [2020-10-14 17:32:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:03,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:03,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 17:32:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:04,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 978 [2020-10-14 17:32:04,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 17:32:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 17:32:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:04,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:04,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:04,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:04,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:04,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:04,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:04,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:04,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:04,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:04,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:04,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:04,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:04,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:32:04,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:04,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:04,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:04,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:04,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:04,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:04,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:04,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:04,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:04,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:32:04,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:04,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:04,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 17:32:04,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1828345804] [2020-10-14 17:32:04,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:04,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 17:32:04,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40789977] [2020-10-14 17:32:04,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 17:32:04,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:04,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 17:32:04,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2020-10-14 17:32:04,677 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 19 states. [2020-10-14 17:32:05,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:05,673 INFO L93 Difference]: Finished difference Result 95 states and 109 transitions. [2020-10-14 17:32:05,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 17:32:05,674 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 73 [2020-10-14 17:32:05,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:05,676 INFO L225 Difference]: With dead ends: 95 [2020-10-14 17:32:05,676 INFO L226 Difference]: Without dead ends: 93 [2020-10-14 17:32:05,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=807, Unknown=0, NotChecked=0, Total=930 [2020-10-14 17:32:05,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-14 17:32:05,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 75. [2020-10-14 17:32:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-14 17:32:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2020-10-14 17:32:05,689 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 73 [2020-10-14 17:32:05,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:05,690 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2020-10-14 17:32:05,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 17:32:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2020-10-14 17:32:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-14 17:32:05,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:05,691 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:05,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 17:32:05,691 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:05,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:05,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1170377827, now seen corresponding path program 9 times [2020-10-14 17:32:05,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:05,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361425461] [2020-10-14 17:32:05,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:05,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 17:32:06,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-14 17:32:06,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 17:32:06,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:06,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 17:32:06,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:06,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:06,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:06,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:06,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:06,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:06,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:06,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:32:06,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:06,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:06,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:06,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:06,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:06,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:06,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:06,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:06,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:06,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:06,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-14 17:32:06,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361425461] [2020-10-14 17:32:06,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:06,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 17:32:06,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533404719] [2020-10-14 17:32:06,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 17:32:06,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:06,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 17:32:06,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2020-10-14 17:32:06,602 INFO L87 Difference]: Start difference. First operand 75 states and 85 transitions. Second operand 19 states. [2020-10-14 17:32:07,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:07,745 INFO L93 Difference]: Finished difference Result 103 states and 117 transitions. [2020-10-14 17:32:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 17:32:07,746 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 81 [2020-10-14 17:32:07,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:07,747 INFO L225 Difference]: With dead ends: 103 [2020-10-14 17:32:07,748 INFO L226 Difference]: Without dead ends: 101 [2020-10-14 17:32:07,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2020-10-14 17:32:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-14 17:32:07,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 83. [2020-10-14 17:32:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-14 17:32:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2020-10-14 17:32:07,774 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 81 [2020-10-14 17:32:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:07,777 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2020-10-14 17:32:07,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 17:32:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2020-10-14 17:32:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-14 17:32:07,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:07,779 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:07,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 17:32:07,779 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:07,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:07,780 INFO L82 PathProgramCache]: Analyzing trace with hash -928000311, now seen corresponding path program 10 times [2020-10-14 17:32:07,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:07,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952341324] [2020-10-14 17:32:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:08,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:08,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 17:32:12,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:32:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4382 [2020-10-14 17:32:12,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 17:32:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 17:32:12,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:12,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:12,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:12,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:12,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:12,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:12,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:32:12,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:12,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:12,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:12,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:12,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:12,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:12,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:12,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:12,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:12,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:12,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:12,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:12,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:12,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:12,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 17 proven. 71 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-14 17:32:12,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952341324] [2020-10-14 17:32:12,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:12,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-14 17:32:12,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321692009] [2020-10-14 17:32:12,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 17:32:12,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:12,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 17:32:12,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2020-10-14 17:32:12,675 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand 21 states. [2020-10-14 17:32:13,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:13,555 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2020-10-14 17:32:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 17:32:13,555 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 81 [2020-10-14 17:32:13,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:13,556 INFO L225 Difference]: With dead ends: 95 [2020-10-14 17:32:13,556 INFO L226 Difference]: Without dead ends: 93 [2020-10-14 17:32:13,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2020-10-14 17:32:13,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-14 17:32:13,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 83. [2020-10-14 17:32:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-14 17:32:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2020-10-14 17:32:13,569 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 81 [2020-10-14 17:32:13,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:13,570 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2020-10-14 17:32:13,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 17:32:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2020-10-14 17:32:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 17:32:13,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:13,571 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:13,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 17:32:13,577 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:13,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:13,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1564347890, now seen corresponding path program 11 times [2020-10-14 17:32:13,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:13,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721991432] [2020-10-14 17:32:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 17:32:13,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-14 17:32:13,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 17:32:13,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:32:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 17:32:13,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:13,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:13,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:13,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:13,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:32:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:13,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:13,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:13,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:13,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 17:32:14,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:14,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:14,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:14,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:14,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:14,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:14,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:14,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:14,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:14,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:14,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 17:32:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:14,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 17:32:14,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:32:14,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:14,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:14,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:14,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:14,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:14,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:14,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:14,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:14,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:14,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 17:32:14,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721991432] [2020-10-14 17:32:14,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:14,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 17:32:14,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317515968] [2020-10-14 17:32:14,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 17:32:14,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:14,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 17:32:14,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-14 17:32:14,098 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand 14 states. [2020-10-14 17:32:14,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:14,572 INFO L93 Difference]: Finished difference Result 113 states and 127 transitions. [2020-10-14 17:32:14,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 17:32:14,574 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 89 [2020-10-14 17:32:14,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:14,575 INFO L225 Difference]: With dead ends: 113 [2020-10-14 17:32:14,575 INFO L226 Difference]: Without dead ends: 81 [2020-10-14 17:32:14,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2020-10-14 17:32:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-14 17:32:14,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2020-10-14 17:32:14,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-14 17:32:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2020-10-14 17:32:14,587 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 89 [2020-10-14 17:32:14,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:14,588 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2020-10-14 17:32:14,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 17:32:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2020-10-14 17:32:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 17:32:14,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:14,589 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:14,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 17:32:14,590 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:14,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:14,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1006012812, now seen corresponding path program 12 times [2020-10-14 17:32:14,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:14,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527784596] [2020-10-14 17:32:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:14,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:14,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 17:32:16,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:16,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1637 [2020-10-14 17:32:16,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 17:32:16,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:16,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 17:32:16,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:16,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:16,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:16,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:16,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:16,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:16,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:16,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:16,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 17:32:16,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:32:16,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:16,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:16,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:16,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:16,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:16,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:16,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:16,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:16,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:16,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:16,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:16,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:16,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:16,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 21 proven. 79 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-14 17:32:16,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527784596] [2020-10-14 17:32:16,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:16,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-14 17:32:16,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157220583] [2020-10-14 17:32:16,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-14 17:32:16,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:16,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-14 17:32:16,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2020-10-14 17:32:16,828 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 22 states. [2020-10-14 17:32:18,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:18,016 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2020-10-14 17:32:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 17:32:18,016 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 89 [2020-10-14 17:32:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:18,021 INFO L225 Difference]: With dead ends: 111 [2020-10-14 17:32:18,021 INFO L226 Difference]: Without dead ends: 109 [2020-10-14 17:32:18,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=129, Invalid=927, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 17:32:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-14 17:32:18,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 91. [2020-10-14 17:32:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-14 17:32:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2020-10-14 17:32:18,045 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 89 [2020-10-14 17:32:18,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:18,046 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2020-10-14 17:32:18,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-14 17:32:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2020-10-14 17:32:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 17:32:18,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:18,050 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:18,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 17:32:18,051 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:18,051 INFO L82 PathProgramCache]: Analyzing trace with hash -519423201, now seen corresponding path program 13 times [2020-10-14 17:32:18,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:18,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985221534] [2020-10-14 17:32:18,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:18,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:18,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:18,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 17:32:18,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-14 17:32:18,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:18,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 17:32:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 17:32:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:19,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:19,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:19,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:19,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:19,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:19,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:19,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:19,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:19,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:19,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:19,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:32:19,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:19,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:32:19,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:19,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:19,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:19,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:19,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:19,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:19,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:19,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:19,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:19,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 26 proven. 89 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 17:32:19,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985221534] [2020-10-14 17:32:19,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:19,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-14 17:32:19,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129393176] [2020-10-14 17:32:19,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 17:32:19,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:19,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 17:32:19,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2020-10-14 17:32:19,356 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 21 states. [2020-10-14 17:32:20,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:20,850 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2020-10-14 17:32:20,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 17:32:20,854 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 97 [2020-10-14 17:32:20,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:20,855 INFO L225 Difference]: With dead ends: 119 [2020-10-14 17:32:20,855 INFO L226 Difference]: Without dead ends: 117 [2020-10-14 17:32:20,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=127, Invalid=995, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 17:32:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-14 17:32:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 99. [2020-10-14 17:32:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-14 17:32:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2020-10-14 17:32:20,874 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 97 [2020-10-14 17:32:20,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:20,874 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2020-10-14 17:32:20,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 17:32:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2020-10-14 17:32:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 17:32:20,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:20,878 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:20,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 17:32:20,878 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:20,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:20,879 INFO L82 PathProgramCache]: Analyzing trace with hash 38911877, now seen corresponding path program 14 times [2020-10-14 17:32:20,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:20,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362523777] [2020-10-14 17:32:20,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:20,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:21,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:21,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:21,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 17:32:24,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:32:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3547 [2020-10-14 17:32:24,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 17:32:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 17:32:24,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:24,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:24,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:24,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:24,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:24,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:24,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:24,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:24,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:24,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:24,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:24,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:24,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:32:24,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:24,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:24,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:24,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:24,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:24,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:24,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 22 proven. 105 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 17:32:24,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362523777] [2020-10-14 17:32:24,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:24,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 17:32:24,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567117008] [2020-10-14 17:32:24,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 17:32:24,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:24,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 17:32:24,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2020-10-14 17:32:24,964 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 23 states. [2020-10-14 17:32:26,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:26,095 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2020-10-14 17:32:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 17:32:26,095 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 97 [2020-10-14 17:32:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:26,098 INFO L225 Difference]: With dead ends: 111 [2020-10-14 17:32:26,098 INFO L226 Difference]: Without dead ends: 109 [2020-10-14 17:32:26,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=1057, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 17:32:26,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-14 17:32:26,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 99. [2020-10-14 17:32:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-14 17:32:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2020-10-14 17:32:26,118 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 97 [2020-10-14 17:32:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:26,121 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2020-10-14 17:32:26,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 17:32:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2020-10-14 17:32:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-14 17:32:26,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:26,122 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:26,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 17:32:26,123 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:26,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:26,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1824335050, now seen corresponding path program 15 times [2020-10-14 17:32:26,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:26,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109664176] [2020-10-14 17:32:26,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 17:32:26,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-14 17:32:26,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 17:32:26,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:32:26,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 17:32:26,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:26,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:26,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:26,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:26,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:26,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:26,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 17:32:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:26,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:26,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:26,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:26,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:26,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:26,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:26,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:26,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:26,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:26,752 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 60 proven. 45 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-14 17:32:26,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109664176] [2020-10-14 17:32:26,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:26,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 17:32:26,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792265678] [2020-10-14 17:32:26,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 17:32:26,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:26,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 17:32:26,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-14 17:32:26,755 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 16 states. [2020-10-14 17:32:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:27,227 INFO L93 Difference]: Finished difference Result 129 states and 145 transitions. [2020-10-14 17:32:27,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 17:32:27,228 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 105 [2020-10-14 17:32:27,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:27,230 INFO L225 Difference]: With dead ends: 129 [2020-10-14 17:32:27,230 INFO L226 Difference]: Without dead ends: 93 [2020-10-14 17:32:27,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-14 17:32:27,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-14 17:32:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 80. [2020-10-14 17:32:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-14 17:32:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2020-10-14 17:32:27,240 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 105 [2020-10-14 17:32:27,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:27,240 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2020-10-14 17:32:27,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 17:32:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2020-10-14 17:32:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-14 17:32:27,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:27,242 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:27,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 17:32:27,242 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:27,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1283136720, now seen corresponding path program 16 times [2020-10-14 17:32:27,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:27,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59297110] [2020-10-14 17:32:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:27,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 17:32:28,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 816 [2020-10-14 17:32:28,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 17:32:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 17:32:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:28,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:28,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:28,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:28,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:28,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:28,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:28,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:28,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:28,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:28,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:28,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:28,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:28,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:28,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:28,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:28,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:28,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:28,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:28,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:28,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:28,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 26 proven. 116 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-14 17:32:28,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59297110] [2020-10-14 17:32:28,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:28,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 17:32:28,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585975762] [2020-10-14 17:32:28,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 17:32:28,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:28,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 17:32:28,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2020-10-14 17:32:28,582 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 23 states. [2020-10-14 17:32:30,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:30,171 INFO L93 Difference]: Finished difference Result 127 states and 145 transitions. [2020-10-14 17:32:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 17:32:30,172 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 105 [2020-10-14 17:32:30,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:30,174 INFO L225 Difference]: With dead ends: 127 [2020-10-14 17:32:30,174 INFO L226 Difference]: Without dead ends: 125 [2020-10-14 17:32:30,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=1250, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 17:32:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-14 17:32:30,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 107. [2020-10-14 17:32:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-10-14 17:32:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2020-10-14 17:32:30,190 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 105 [2020-10-14 17:32:30,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:30,190 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2020-10-14 17:32:30,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 17:32:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2020-10-14 17:32:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 17:32:30,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:30,192 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:30,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 17:32:30,192 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:30,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:30,193 INFO L82 PathProgramCache]: Analyzing trace with hash -426038309, now seen corresponding path program 17 times [2020-10-14 17:32:30,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:30,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106176407] [2020-10-14 17:32:30,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:30,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:30,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:30,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 17:32:30,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-14 17:32:30,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:30,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 17:32:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 17:32:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:31,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:31,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:31,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:31,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:31,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:31,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:31,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:31,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:31,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:31,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:31,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:31,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:31,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:31,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:31,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:31,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:31,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:31,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:31,291 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 31 proven. 131 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-10-14 17:32:31,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106176407] [2020-10-14 17:32:31,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:31,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 17:32:31,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646481884] [2020-10-14 17:32:31,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 17:32:31,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:31,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 17:32:31,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2020-10-14 17:32:31,293 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 23 states. [2020-10-14 17:32:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:33,070 INFO L93 Difference]: Finished difference Result 135 states and 153 transitions. [2020-10-14 17:32:33,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 17:32:33,071 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 113 [2020-10-14 17:32:33,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:33,073 INFO L225 Difference]: With dead ends: 135 [2020-10-14 17:32:33,073 INFO L226 Difference]: Without dead ends: 133 [2020-10-14 17:32:33,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=1262, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 17:32:33,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-14 17:32:33,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 115. [2020-10-14 17:32:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-14 17:32:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2020-10-14 17:32:33,101 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 113 [2020-10-14 17:32:33,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:33,102 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2020-10-14 17:32:33,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 17:32:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2020-10-14 17:32:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-14 17:32:33,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:33,104 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:33,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 17:32:33,105 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:33,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:33,105 INFO L82 PathProgramCache]: Analyzing trace with hash 761457217, now seen corresponding path program 18 times [2020-10-14 17:32:33,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:33,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178446121] [2020-10-14 17:32:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:33,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 17:32:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:32:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 17:32:38,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 17:32:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 17:32:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:38,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:38,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:38,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:38,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:38,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:38,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:38,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:38,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:38,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:38,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:38,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:38,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:38,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:38,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:38,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:38,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 26 proven. 147 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-14 17:32:38,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178446121] [2020-10-14 17:32:38,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:38,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-14 17:32:38,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245185423] [2020-10-14 17:32:38,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-14 17:32:38,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:38,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-14 17:32:38,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2020-10-14 17:32:38,711 INFO L87 Difference]: Start difference. First operand 115 states and 129 transitions. Second operand 24 states. [2020-10-14 17:32:40,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:40,114 INFO L93 Difference]: Finished difference Result 127 states and 141 transitions. [2020-10-14 17:32:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 17:32:40,115 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 113 [2020-10-14 17:32:40,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:40,116 INFO L225 Difference]: With dead ends: 127 [2020-10-14 17:32:40,116 INFO L226 Difference]: Without dead ends: 125 [2020-10-14 17:32:40,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=145, Invalid=1261, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 17:32:40,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-14 17:32:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 115. [2020-10-14 17:32:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-14 17:32:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 129 transitions. [2020-10-14 17:32:40,130 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 129 transitions. Word has length 113 [2020-10-14 17:32:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:40,130 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 129 transitions. [2020-10-14 17:32:40,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-14 17:32:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 129 transitions. [2020-10-14 17:32:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 17:32:40,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:40,132 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:40,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 17:32:40,132 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:40,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:40,133 INFO L82 PathProgramCache]: Analyzing trace with hash -325084794, now seen corresponding path program 19 times [2020-10-14 17:32:40,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:40,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870186221] [2020-10-14 17:32:40,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 17:32:40,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-14 17:32:40,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 17:32:40,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:32:40,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 17:32:40,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:40,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:40,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:40,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:40,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:40,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 17:32:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:40,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:40,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:40,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:40,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 84 proven. 66 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-10-14 17:32:40,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870186221] [2020-10-14 17:32:40,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:40,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 17:32:40,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862651776] [2020-10-14 17:32:40,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 17:32:40,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:40,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 17:32:40,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-14 17:32:40,725 INFO L87 Difference]: Start difference. First operand 115 states and 129 transitions. Second operand 18 states. [2020-10-14 17:32:41,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:41,273 INFO L93 Difference]: Finished difference Result 145 states and 163 transitions. [2020-10-14 17:32:41,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 17:32:41,274 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 121 [2020-10-14 17:32:41,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:41,276 INFO L225 Difference]: With dead ends: 145 [2020-10-14 17:32:41,276 INFO L226 Difference]: Without dead ends: 105 [2020-10-14 17:32:41,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2020-10-14 17:32:41,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-14 17:32:41,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 92. [2020-10-14 17:32:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-14 17:32:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2020-10-14 17:32:41,288 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 121 [2020-10-14 17:32:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:41,288 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2020-10-14 17:32:41,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 17:32:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-10-14 17:32:41,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 17:32:41,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:41,290 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:41,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 17:32:41,291 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:41,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:41,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1510838764, now seen corresponding path program 20 times [2020-10-14 17:32:41,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:41,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841434489] [2020-10-14 17:32:41,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:41,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:41,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 17:32:42,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 871 [2020-10-14 17:32:42,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 17:32:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 17:32:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:42,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:42,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:42,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:42,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:42,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:42,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:32:42,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:42,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:42,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:42,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:42,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:42,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:42,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:42,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:42,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 31 proven. 162 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-10-14 17:32:42,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841434489] [2020-10-14 17:32:42,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:42,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 17:32:42,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050783792] [2020-10-14 17:32:42,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 17:32:42,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:42,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 17:32:42,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2020-10-14 17:32:42,755 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 25 states. [2020-10-14 17:32:44,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:44,762 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2020-10-14 17:32:44,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 17:32:44,763 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 121 [2020-10-14 17:32:44,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:44,765 INFO L225 Difference]: With dead ends: 143 [2020-10-14 17:32:44,765 INFO L226 Difference]: Without dead ends: 141 [2020-10-14 17:32:44,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=1470, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 17:32:44,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-14 17:32:44,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 123. [2020-10-14 17:32:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-14 17:32:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 139 transitions. [2020-10-14 17:32:44,784 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 139 transitions. Word has length 121 [2020-10-14 17:32:44,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:44,785 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 139 transitions. [2020-10-14 17:32:44,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 17:32:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 139 transitions. [2020-10-14 17:32:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 17:32:44,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:44,787 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:44,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 17:32:44,787 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:44,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:44,788 INFO L82 PathProgramCache]: Analyzing trace with hash -354984297, now seen corresponding path program 21 times [2020-10-14 17:32:44,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:44,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354657841] [2020-10-14 17:32:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:44,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:45,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 17:32:45,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-10-14 17:32:45,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:45,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 17:32:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 17:32:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:46,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:46,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:46,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:46,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:46,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 17:32:46,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:46,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:46,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:32:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:46,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:46,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:46,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:46,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:46,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:46,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:46,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 36 proven. 182 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-14 17:32:46,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354657841] [2020-10-14 17:32:46,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:46,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 17:32:46,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453228016] [2020-10-14 17:32:46,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 17:32:46,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:46,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 17:32:46,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=591, Unknown=0, NotChecked=0, Total=650 [2020-10-14 17:32:46,345 INFO L87 Difference]: Start difference. First operand 123 states and 139 transitions. Second operand 26 states. [2020-10-14 17:32:48,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:48,448 INFO L93 Difference]: Finished difference Result 151 states and 171 transitions. [2020-10-14 17:32:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 17:32:48,449 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 129 [2020-10-14 17:32:48,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:48,450 INFO L225 Difference]: With dead ends: 151 [2020-10-14 17:32:48,450 INFO L226 Difference]: Without dead ends: 149 [2020-10-14 17:32:48,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=152, Invalid=1408, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 17:32:48,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-14 17:32:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 131. [2020-10-14 17:32:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-14 17:32:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 147 transitions. [2020-10-14 17:32:48,467 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 147 transitions. Word has length 129 [2020-10-14 17:32:48,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:48,468 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 147 transitions. [2020-10-14 17:32:48,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 17:32:48,468 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 147 transitions. [2020-10-14 17:32:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-14 17:32:48,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:48,470 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:48,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 17:32:48,470 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:48,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:48,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1480939261, now seen corresponding path program 22 times [2020-10-14 17:32:48,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:48,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223864002] [2020-10-14 17:32:48,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:48,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:48,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 17:32:53,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:32:53,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 17:32:53,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 17:32:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 17:32:53,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:53,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:53,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:53,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:53,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:53,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:53,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:53,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:54,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:54,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:54,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:54,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:54,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:32:54,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:32:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:54,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:32:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:54,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:54,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:54,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:54,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:54,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:32:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:54,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 31 proven. 197 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-10-14 17:32:54,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223864002] [2020-10-14 17:32:54,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:54,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 17:32:54,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927182805] [2020-10-14 17:32:54,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 17:32:54,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:54,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 17:32:54,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2020-10-14 17:32:54,126 INFO L87 Difference]: Start difference. First operand 131 states and 147 transitions. Second operand 26 states. [2020-10-14 17:32:55,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:55,943 INFO L93 Difference]: Finished difference Result 143 states and 159 transitions. [2020-10-14 17:32:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 17:32:55,944 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 129 [2020-10-14 17:32:55,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:55,945 INFO L225 Difference]: With dead ends: 143 [2020-10-14 17:32:55,945 INFO L226 Difference]: Without dead ends: 141 [2020-10-14 17:32:55,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=152, Invalid=1408, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 17:32:55,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-14 17:32:55,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2020-10-14 17:32:55,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-14 17:32:55,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 147 transitions. [2020-10-14 17:32:55,965 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 147 transitions. Word has length 129 [2020-10-14 17:32:55,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:55,966 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 147 transitions. [2020-10-14 17:32:55,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 17:32:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 147 transitions. [2020-10-14 17:32:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-14 17:32:55,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:55,968 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:55,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 17:32:55,968 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:55,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:55,969 INFO L82 PathProgramCache]: Analyzing trace with hash 885739586, now seen corresponding path program 23 times [2020-10-14 17:32:55,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:55,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257746008] [2020-10-14 17:32:55,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:55,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 17:32:56,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-14 17:32:56,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 17:32:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:32:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 17:32:56,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:56,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:56,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:56,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:56,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:32:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:32:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:32:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 17:32:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:32:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:32:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:32:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:32:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:32:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:32:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:56,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:56,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:56,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:56,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:56,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:56,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:56,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:56,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:56,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:56,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 112 proven. 91 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-10-14 17:32:56,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257746008] [2020-10-14 17:32:56,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:32:56,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-14 17:32:56,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190368089] [2020-10-14 17:32:56,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-14 17:32:56,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:32:56,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-14 17:32:56,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-14 17:32:56,852 INFO L87 Difference]: Start difference. First operand 131 states and 147 transitions. Second operand 20 states. [2020-10-14 17:32:57,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:32:57,442 INFO L93 Difference]: Finished difference Result 161 states and 181 transitions. [2020-10-14 17:32:57,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 17:32:57,443 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 137 [2020-10-14 17:32:57,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:32:57,445 INFO L225 Difference]: With dead ends: 161 [2020-10-14 17:32:57,445 INFO L226 Difference]: Without dead ends: 117 [2020-10-14 17:32:57,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2020-10-14 17:32:57,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-14 17:32:57,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2020-10-14 17:32:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 17:32:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 114 transitions. [2020-10-14 17:32:57,459 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 114 transitions. Word has length 137 [2020-10-14 17:32:57,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:32:57,459 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 114 transitions. [2020-10-14 17:32:57,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-14 17:32:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2020-10-14 17:32:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-14 17:32:57,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:32:57,460 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:32:57,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 17:32:57,461 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:32:57,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:32:57,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1141211816, now seen corresponding path program 24 times [2020-10-14 17:32:57,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:32:57,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051166905] [2020-10-14 17:32:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:32:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:57,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:57,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:59,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:59,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 17:32:59,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:32:59,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1632 [2020-10-14 17:32:59,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:59,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 17:32:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:32:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 17:32:59,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:32:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:59,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:59,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:59,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:32:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:59,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:59,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:59,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:59,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:59,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:32:59,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:59,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:32:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:59,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:32:59,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:59,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:32:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:59,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:59,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:59,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:59,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:59,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:32:59,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:59,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:32:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:59,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:32:59,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:59,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:32:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:59,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:59,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:59,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:59,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:32:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:59,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:59,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:59,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:59,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:59,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:59,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:59,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:59,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:59,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:59,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:59,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:59,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:32:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:32:59,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:32:59,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:32:59,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:32:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:32:59,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:32:59,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:32:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:32:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:32:59,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:32:59,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:32:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:32:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:32:59,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:00,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:33:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:33:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:00,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:00,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:00,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:00,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:00,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:00,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:00,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:00,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:00,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 37 proven. 216 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2020-10-14 17:33:00,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051166905] [2020-10-14 17:33:00,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:00,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-14 17:33:00,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039627866] [2020-10-14 17:33:00,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 17:33:00,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:00,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 17:33:00,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2020-10-14 17:33:00,107 INFO L87 Difference]: Start difference. First operand 104 states and 114 transitions. Second operand 28 states. [2020-10-14 17:33:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:02,371 INFO L93 Difference]: Finished difference Result 159 states and 181 transitions. [2020-10-14 17:33:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 17:33:02,372 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 137 [2020-10-14 17:33:02,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:02,374 INFO L225 Difference]: With dead ends: 159 [2020-10-14 17:33:02,374 INFO L226 Difference]: Without dead ends: 157 [2020-10-14 17:33:02,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=168, Invalid=1554, Unknown=0, NotChecked=0, Total=1722 [2020-10-14 17:33:02,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-14 17:33:02,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 139. [2020-10-14 17:33:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-14 17:33:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 157 transitions. [2020-10-14 17:33:02,399 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 157 transitions. Word has length 137 [2020-10-14 17:33:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:02,401 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 157 transitions. [2020-10-14 17:33:02,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 17:33:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 157 transitions. [2020-10-14 17:33:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 17:33:02,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:02,403 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:02,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 17:33:02,403 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:02,404 INFO L82 PathProgramCache]: Analyzing trace with hash -132066477, now seen corresponding path program 25 times [2020-10-14 17:33:02,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:02,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018250444] [2020-10-14 17:33:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:02,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 17:33:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:03,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:03,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:03,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:03,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:33:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:33:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:03,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:03,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:03,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 42 proven. 239 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2020-10-14 17:33:03,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018250444] [2020-10-14 17:33:03,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:03,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-14 17:33:03,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898778967] [2020-10-14 17:33:03,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 17:33:03,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:03,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 17:33:03,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=694, Unknown=0, NotChecked=0, Total=756 [2020-10-14 17:33:03,905 INFO L87 Difference]: Start difference. First operand 139 states and 157 transitions. Second operand 28 states. [2020-10-14 17:33:06,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:06,536 INFO L93 Difference]: Finished difference Result 167 states and 189 transitions. [2020-10-14 17:33:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 17:33:06,537 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 145 [2020-10-14 17:33:06,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:06,538 INFO L225 Difference]: With dead ends: 167 [2020-10-14 17:33:06,539 INFO L226 Difference]: Without dead ends: 165 [2020-10-14 17:33:06,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=173, Invalid=1807, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 17:33:06,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-14 17:33:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2020-10-14 17:33:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-14 17:33:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 165 transitions. [2020-10-14 17:33:06,562 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 165 transitions. Word has length 145 [2020-10-14 17:33:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:06,563 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 165 transitions. [2020-10-14 17:33:06,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 17:33:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 165 transitions. [2020-10-14 17:33:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 17:33:06,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:06,564 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:06,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 17:33:06,564 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:06,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:06,565 INFO L82 PathProgramCache]: Analyzing trace with hash 123405753, now seen corresponding path program 26 times [2020-10-14 17:33:06,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:06,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142177007] [2020-10-14 17:33:06,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:06,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:06,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:07,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:11,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:11,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 17:33:11,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:33:11,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 17:33:11,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:11,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 17:33:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-14 17:33:11,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:12,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:12,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:12,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:12,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:12,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:33:12,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:12,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:12,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:33:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 36 proven. 256 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-10-14 17:33:12,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142177007] [2020-10-14 17:33:12,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:12,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 17:33:12,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371878938] [2020-10-14 17:33:12,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 17:33:12,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:12,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 17:33:12,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2020-10-14 17:33:12,425 INFO L87 Difference]: Start difference. First operand 147 states and 165 transitions. Second operand 29 states. [2020-10-14 17:33:14,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:14,722 INFO L93 Difference]: Finished difference Result 159 states and 177 transitions. [2020-10-14 17:33:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 17:33:14,723 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 145 [2020-10-14 17:33:14,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:14,725 INFO L225 Difference]: With dead ends: 159 [2020-10-14 17:33:14,725 INFO L226 Difference]: Without dead ends: 157 [2020-10-14 17:33:14,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=174, Invalid=1806, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 17:33:14,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-14 17:33:14,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 147. [2020-10-14 17:33:14,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-14 17:33:14,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 165 transitions. [2020-10-14 17:33:14,749 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 165 transitions. Word has length 145 [2020-10-14 17:33:14,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:14,750 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 165 transitions. [2020-10-14 17:33:14,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 17:33:14,750 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 165 transitions. [2020-10-14 17:33:14,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 17:33:14,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:14,751 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:14,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 17:33:14,752 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:14,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:14,752 INFO L82 PathProgramCache]: Analyzing trace with hash -845002498, now seen corresponding path program 27 times [2020-10-14 17:33:14,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:14,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977425223] [2020-10-14 17:33:14,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:14,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 17:33:15,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-14 17:33:15,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 17:33:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:33:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-14 17:33:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:15,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:15,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:15,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 17:33:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:33:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:15,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:15,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:15,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 144 proven. 120 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-10-14 17:33:15,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977425223] [2020-10-14 17:33:15,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:15,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-14 17:33:15,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744265745] [2020-10-14 17:33:15,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-14 17:33:15,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:15,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-14 17:33:15,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-14 17:33:15,694 INFO L87 Difference]: Start difference. First operand 147 states and 165 transitions. Second operand 22 states. [2020-10-14 17:33:16,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:16,420 INFO L93 Difference]: Finished difference Result 177 states and 199 transitions. [2020-10-14 17:33:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 17:33:16,421 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 153 [2020-10-14 17:33:16,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:16,422 INFO L225 Difference]: With dead ends: 177 [2020-10-14 17:33:16,423 INFO L226 Difference]: Without dead ends: 129 [2020-10-14 17:33:16,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2020-10-14 17:33:16,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-10-14 17:33:16,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 116. [2020-10-14 17:33:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-14 17:33:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 127 transitions. [2020-10-14 17:33:16,439 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 127 transitions. Word has length 153 [2020-10-14 17:33:16,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:16,439 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 127 transitions. [2020-10-14 17:33:16,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-14 17:33:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 127 transitions. [2020-10-14 17:33:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 17:33:16,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:16,440 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:16,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 17:33:16,441 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:16,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:16,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1942926692, now seen corresponding path program 28 times [2020-10-14 17:33:16,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:16,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845400026] [2020-10-14 17:33:16,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:16,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:16,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:18,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2189 [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-14 17:33:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:19,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:19,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:33:19,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:19,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:33:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:19,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:19,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:19,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:19,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:19,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:19,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:19,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:19,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:19,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:19,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:19,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:19,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:33:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 41 proven. 278 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-10-14 17:33:19,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845400026] [2020-10-14 17:33:19,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:19,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 17:33:19,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309256987] [2020-10-14 17:33:19,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 17:33:19,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:19,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 17:33:19,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=746, Unknown=0, NotChecked=0, Total=812 [2020-10-14 17:33:19,545 INFO L87 Difference]: Start difference. First operand 116 states and 127 transitions. Second operand 29 states. [2020-10-14 17:33:22,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:22,545 INFO L93 Difference]: Finished difference Result 175 states and 199 transitions. [2020-10-14 17:33:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 17:33:22,546 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 153 [2020-10-14 17:33:22,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:22,548 INFO L225 Difference]: With dead ends: 175 [2020-10-14 17:33:22,548 INFO L226 Difference]: Without dead ends: 173 [2020-10-14 17:33:22,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=1877, Unknown=0, NotChecked=0, Total=2070 [2020-10-14 17:33:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-14 17:33:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 155. [2020-10-14 17:33:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-14 17:33:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 175 transitions. [2020-10-14 17:33:22,571 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 175 transitions. Word has length 153 [2020-10-14 17:33:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:22,572 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 175 transitions. [2020-10-14 17:33:22,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 17:33:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 175 transitions. [2020-10-14 17:33:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 17:33:22,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:22,573 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:22,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 17:33:22,574 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:22,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:22,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1898345969, now seen corresponding path program 29 times [2020-10-14 17:33:22,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:22,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042959642] [2020-10-14 17:33:22,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:23,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 978 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 17:33:23,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:24,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:24,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:24,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:24,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:24,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:24,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:33:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:24,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:24,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:24,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:24,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:33:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:24,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:24,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:24,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 46 proven. 306 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2020-10-14 17:33:24,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042959642] [2020-10-14 17:33:24,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:24,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 17:33:24,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362966290] [2020-10-14 17:33:24,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 17:33:24,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:24,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 17:33:24,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=803, Unknown=0, NotChecked=0, Total=870 [2020-10-14 17:33:24,489 INFO L87 Difference]: Start difference. First operand 155 states and 175 transitions. Second operand 30 states. [2020-10-14 17:33:27,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:27,590 INFO L93 Difference]: Finished difference Result 183 states and 207 transitions. [2020-10-14 17:33:27,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 17:33:27,591 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 161 [2020-10-14 17:33:27,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:27,592 INFO L225 Difference]: With dead ends: 183 [2020-10-14 17:33:27,593 INFO L226 Difference]: Without dead ends: 181 [2020-10-14 17:33:27,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=2071, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 17:33:27,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-14 17:33:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2020-10-14 17:33:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-14 17:33:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 183 transitions. [2020-10-14 17:33:27,626 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 183 transitions. Word has length 161 [2020-10-14 17:33:27,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:27,627 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 183 transitions. [2020-10-14 17:33:27,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 17:33:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 183 transitions. [2020-10-14 17:33:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 17:33:27,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:27,628 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:27,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 17:33:27,628 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:27,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:27,629 INFO L82 PathProgramCache]: Analyzing trace with hash 889583221, now seen corresponding path program 30 times [2020-10-14 17:33:27,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:27,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259887899] [2020-10-14 17:33:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:27,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:28,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:28,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:32,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:32,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-14 17:33:32,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:33:32,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 17:33:32,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:32,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 17:33:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:32,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 17:33:32,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:33,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:33,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:33,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:33,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:33,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:33,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:33:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:33:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:33,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 42 proven. 321 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-14 17:33:33,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259887899] [2020-10-14 17:33:33,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:33,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 17:33:33,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963017159] [2020-10-14 17:33:33,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 17:33:33,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:33,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 17:33:33,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2020-10-14 17:33:33,572 INFO L87 Difference]: Start difference. First operand 163 states and 183 transitions. Second operand 31 states. [2020-10-14 17:33:36,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:36,197 INFO L93 Difference]: Finished difference Result 175 states and 195 transitions. [2020-10-14 17:33:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 17:33:36,197 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 161 [2020-10-14 17:33:36,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:36,199 INFO L225 Difference]: With dead ends: 175 [2020-10-14 17:33:36,199 INFO L226 Difference]: Without dead ends: 173 [2020-10-14 17:33:36,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=186, Invalid=2070, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 17:33:36,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-14 17:33:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2020-10-14 17:33:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-14 17:33:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 183 transitions. [2020-10-14 17:33:36,228 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 183 transitions. Word has length 161 [2020-10-14 17:33:36,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:36,230 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 183 transitions. [2020-10-14 17:33:36,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 17:33:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 183 transitions. [2020-10-14 17:33:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 17:33:36,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:36,232 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:36,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-14 17:33:36,232 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:36,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:36,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1249475654, now seen corresponding path program 31 times [2020-10-14 17:33:36,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:36,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023415383] [2020-10-14 17:33:36,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:36,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 17:33:37,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 831 [2020-10-14 17:33:37,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 17:33:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:33:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 17:33:37,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:37,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:37,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:37,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:37,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:37,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:33:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:37,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:37,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:33:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:33:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:37,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:37,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:37,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:37,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:37,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:37,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:37,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:37,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:37,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 180 proven. 153 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-14 17:33:37,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023415383] [2020-10-14 17:33:37,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:37,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-14 17:33:37,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618281843] [2020-10-14 17:33:37,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-14 17:33:37,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:37,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-14 17:33:37,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-14 17:33:37,557 INFO L87 Difference]: Start difference. First operand 163 states and 183 transitions. Second operand 24 states. [2020-10-14 17:33:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:38,454 INFO L93 Difference]: Finished difference Result 193 states and 217 transitions. [2020-10-14 17:33:38,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 17:33:38,455 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 169 [2020-10-14 17:33:38,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:38,456 INFO L225 Difference]: With dead ends: 193 [2020-10-14 17:33:38,456 INFO L226 Difference]: Without dead ends: 141 [2020-10-14 17:33:38,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 17:33:38,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-14 17:33:38,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 128. [2020-10-14 17:33:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-14 17:33:38,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 140 transitions. [2020-10-14 17:33:38,474 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 140 transitions. Word has length 169 [2020-10-14 17:33:38,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:38,475 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 140 transitions. [2020-10-14 17:33:38,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-14 17:33:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2020-10-14 17:33:38,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-14 17:33:38,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:38,476 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:38,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-14 17:33:38,477 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:38,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:38,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1640704544, now seen corresponding path program 32 times [2020-10-14 17:33:38,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:38,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392530732] [2020-10-14 17:33:38,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:38,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:39,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:40,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:40,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 17:33:40,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:33:40,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1985 [2020-10-14 17:33:40,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:40,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 17:33:40,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:40,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-10-14 17:33:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:41,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:41,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:41,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:41,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:41,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 17:33:41,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:41,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:41,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:33:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:41,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:41,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:33:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:33:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:41,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:41,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:41,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:41,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:41,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:41,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 47 proven. 348 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-14 17:33:41,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392530732] [2020-10-14 17:33:41,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:41,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-14 17:33:41,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953142359] [2020-10-14 17:33:41,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-14 17:33:41,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:41,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-14 17:33:41,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=918, Unknown=0, NotChecked=0, Total=992 [2020-10-14 17:33:41,470 INFO L87 Difference]: Start difference. First operand 128 states and 140 transitions. Second operand 32 states. [2020-10-14 17:33:44,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:44,863 INFO L93 Difference]: Finished difference Result 191 states and 217 transitions. [2020-10-14 17:33:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 17:33:44,864 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 169 [2020-10-14 17:33:44,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:44,865 INFO L225 Difference]: With dead ends: 191 [2020-10-14 17:33:44,866 INFO L226 Difference]: Without dead ends: 189 [2020-10-14 17:33:44,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=212, Invalid=2238, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 17:33:44,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-14 17:33:44,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 171. [2020-10-14 17:33:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-14 17:33:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 193 transitions. [2020-10-14 17:33:44,888 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 193 transitions. Word has length 169 [2020-10-14 17:33:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:44,888 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 193 transitions. [2020-10-14 17:33:44,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-14 17:33:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 193 transitions. [2020-10-14 17:33:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-14 17:33:44,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:44,889 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:44,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-14 17:33:44,889 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:44,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:44,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1520205109, now seen corresponding path program 33 times [2020-10-14 17:33:44,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:44,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096179175] [2020-10-14 17:33:44,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:44,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-14 17:33:46,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1223 [2020-10-14 17:33:46,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 17:33:46,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:46,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-14 17:33:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:46,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:46,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:46,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:46,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:46,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:46,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:33:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:33:46,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:33:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:46,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:46,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:46,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:46,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:46,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:46,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:46,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:47,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:47,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:47,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:47,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:47,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:47,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:47,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:33:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:47,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:47,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:47,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:47,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:47,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:47,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:47,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:47,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:33:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:47,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:47,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:47,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:47,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:47,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:47,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:47,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:47,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:47,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:47,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:47,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:47,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:33:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:47,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:47,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:47,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:47,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:47,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:47,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:47,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:47,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 51 proven. 379 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2020-10-14 17:33:47,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096179175] [2020-10-14 17:33:47,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:47,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 17:33:47,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587744228] [2020-10-14 17:33:47,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 17:33:47,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:47,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 17:33:47,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=861, Unknown=0, NotChecked=0, Total=930 [2020-10-14 17:33:47,088 INFO L87 Difference]: Start difference. First operand 171 states and 193 transitions. Second operand 31 states. [2020-10-14 17:33:50,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:50,643 INFO L93 Difference]: Finished difference Result 199 states and 225 transitions. [2020-10-14 17:33:50,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 17:33:50,644 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 177 [2020-10-14 17:33:50,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:50,649 INFO L225 Difference]: With dead ends: 199 [2020-10-14 17:33:50,649 INFO L226 Difference]: Without dead ends: 197 [2020-10-14 17:33:50,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=192, Invalid=2258, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 17:33:50,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-14 17:33:50,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 179. [2020-10-14 17:33:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-14 17:33:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 201 transitions. [2020-10-14 17:33:50,674 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 201 transitions. Word has length 177 [2020-10-14 17:33:50,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:50,674 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 201 transitions. [2020-10-14 17:33:50,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 17:33:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 201 transitions. [2020-10-14 17:33:50,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-14 17:33:50,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:50,676 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:50,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-14 17:33:50,676 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:50,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:50,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1369975089, now seen corresponding path program 34 times [2020-10-14 17:33:50,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:50,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517634150] [2020-10-14 17:33:50,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:50,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:52,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:55,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:55,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-14 17:33:55,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:33:55,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 17:33:55,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:55,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 17:33:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:33:55,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-14 17:33:55,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:33:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:33:56,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:33:56,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:56,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:33:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:33:56,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:33:56,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:33:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:33:56,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:33:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:56,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:33:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:33:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:33:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:33:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:33:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:33:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:33:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:33:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:33:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:33:56,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:33:56,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:33:56,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:33:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:33:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:33:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:33:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:33:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:33:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:33:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:33:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:33:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:33:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:33:56,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:33:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:33:56,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:33:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:33:56,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:33:56,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:33:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:33:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:33:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:33:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:33:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 799 backedges. 46 proven. 395 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-10-14 17:33:56,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517634150] [2020-10-14 17:33:56,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:33:56,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-14 17:33:56,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834961794] [2020-10-14 17:33:56,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-14 17:33:56,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:33:56,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-14 17:33:56,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=917, Unknown=0, NotChecked=0, Total=992 [2020-10-14 17:33:56,713 INFO L87 Difference]: Start difference. First operand 179 states and 201 transitions. Second operand 32 states. [2020-10-14 17:33:59,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:33:59,731 INFO L93 Difference]: Finished difference Result 191 states and 213 transitions. [2020-10-14 17:33:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 17:33:59,732 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 177 [2020-10-14 17:33:59,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:33:59,733 INFO L225 Difference]: With dead ends: 191 [2020-10-14 17:33:59,733 INFO L226 Difference]: Without dead ends: 189 [2020-10-14 17:33:59,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=193, Invalid=2257, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 17:33:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-14 17:33:59,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2020-10-14 17:33:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-14 17:33:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 201 transitions. [2020-10-14 17:33:59,756 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 201 transitions. Word has length 177 [2020-10-14 17:33:59,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:33:59,756 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 201 transitions. [2020-10-14 17:33:59,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-14 17:33:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 201 transitions. [2020-10-14 17:33:59,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 17:33:59,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:33:59,757 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:33:59,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-14 17:33:59,757 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:33:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:33:59,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1624899702, now seen corresponding path program 35 times [2020-10-14 17:33:59,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:33:59,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330628595] [2020-10-14 17:33:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:33:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:33:59,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 804 [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 17:34:00,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:34:00,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-14 17:34:00,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:00,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:00,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:00,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:00,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:00,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:00,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:00,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:00,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:00,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:00,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 17:34:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:34:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:34:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:01,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:01,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:01,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:01,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 220 proven. 190 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2020-10-14 17:34:01,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330628595] [2020-10-14 17:34:01,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:01,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 17:34:01,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392768990] [2020-10-14 17:34:01,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 17:34:01,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:01,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 17:34:01,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-14 17:34:01,069 INFO L87 Difference]: Start difference. First operand 179 states and 201 transitions. Second operand 26 states. [2020-10-14 17:34:02,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:02,022 INFO L93 Difference]: Finished difference Result 209 states and 235 transitions. [2020-10-14 17:34:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 17:34:02,024 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 185 [2020-10-14 17:34:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:02,025 INFO L225 Difference]: With dead ends: 209 [2020-10-14 17:34:02,026 INFO L226 Difference]: Without dead ends: 153 [2020-10-14 17:34:02,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=324, Invalid=1008, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 17:34:02,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-14 17:34:02,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 140. [2020-10-14 17:34:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-14 17:34:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 153 transitions. [2020-10-14 17:34:02,040 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 153 transitions. Word has length 185 [2020-10-14 17:34:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:02,041 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 153 transitions. [2020-10-14 17:34:02,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 17:34:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2020-10-14 17:34:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 17:34:02,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:02,042 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:02,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-14 17:34:02,042 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:02,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:02,042 INFO L82 PathProgramCache]: Analyzing trace with hash -61021988, now seen corresponding path program 36 times [2020-10-14 17:34:02,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:02,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444459466] [2020-10-14 17:34:02,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:02,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:02,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:05,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:05,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 17:34:05,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:34:05,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3152 [2020-10-14 17:34:05,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:05,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 17:34:05,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:34:05,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-14 17:34:05,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:06,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:06,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:06,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:34:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:34:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:34:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:06,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:06,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:06,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:06,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:06,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:06,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:06,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:06,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 51 proven. 427 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2020-10-14 17:34:06,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444459466] [2020-10-14 17:34:06,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:06,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-14 17:34:06,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364850350] [2020-10-14 17:34:06,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-14 17:34:06,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:06,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-14 17:34:06,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1043, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 17:34:06,402 INFO L87 Difference]: Start difference. First operand 140 states and 153 transitions. Second operand 34 states. [2020-10-14 17:34:10,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:10,401 INFO L93 Difference]: Finished difference Result 207 states and 235 transitions. [2020-10-14 17:34:10,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 17:34:10,402 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 185 [2020-10-14 17:34:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:10,404 INFO L225 Difference]: With dead ends: 207 [2020-10-14 17:34:10,404 INFO L226 Difference]: Without dead ends: 205 [2020-10-14 17:34:10,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=226, Invalid=2530, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 17:34:10,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-14 17:34:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2020-10-14 17:34:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-14 17:34:10,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 211 transitions. [2020-10-14 17:34:10,427 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 211 transitions. Word has length 185 [2020-10-14 17:34:10,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:10,428 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 211 transitions. [2020-10-14 17:34:10,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-14 17:34:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 211 transitions. [2020-10-14 17:34:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-14 17:34:10,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:10,429 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:10,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-14 17:34:10,430 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:10,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:10,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1474249337, now seen corresponding path program 37 times [2020-10-14 17:34:10,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:10,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292019364] [2020-10-14 17:34:10,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:10,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:12,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:12,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 17:34:12,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:12,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2329 [2020-10-14 17:34:12,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:12,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 17:34:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:34:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-14 17:34:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:13,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:13,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:13,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:13,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:13,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:13,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:13,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:13,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:13,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:13,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:13,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:13,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:13,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:13,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:13,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:13,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:13,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:13,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:13,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:13,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:13,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:13,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:13,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:13,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:34:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:13,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:13,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:13,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:13,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:13,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:13,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:34:13,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:13,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:13,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:13,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:13,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:13,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:13,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:13,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:13,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:13,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:13,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:13,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:34:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:34:14,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:34:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:14,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:34:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:34:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:14,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:34:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:14,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:14,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:14,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 56 proven. 461 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2020-10-14 17:34:14,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292019364] [2020-10-14 17:34:14,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:14,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-14 17:34:14,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753731773] [2020-10-14 17:34:14,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-14 17:34:14,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:14,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-14 17:34:14,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=980, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 17:34:14,194 INFO L87 Difference]: Start difference. First operand 187 states and 211 transitions. Second operand 33 states. [2020-10-14 17:34:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:18,298 INFO L93 Difference]: Finished difference Result 215 states and 243 transitions. [2020-10-14 17:34:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-14 17:34:18,299 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 193 [2020-10-14 17:34:18,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:18,301 INFO L225 Difference]: With dead ends: 215 [2020-10-14 17:34:18,302 INFO L226 Difference]: Without dead ends: 213 [2020-10-14 17:34:18,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=195, Invalid=2355, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 17:34:18,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-14 17:34:18,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2020-10-14 17:34:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-14 17:34:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 219 transitions. [2020-10-14 17:34:18,336 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 219 transitions. Word has length 193 [2020-10-14 17:34:18,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:18,337 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 219 transitions. [2020-10-14 17:34:18,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-14 17:34:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 219 transitions. [2020-10-14 17:34:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-14 17:34:18,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:18,338 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 12, 12, 12, 12, 12, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:18,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-14 17:34:18,339 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:18,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1134796269, now seen corresponding path program 38 times [2020-10-14 17:34:18,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:18,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879343925] [2020-10-14 17:34:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:18,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:19,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:19,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:19,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:23,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:23,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-14 17:34:23,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:34:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 17:34:23,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:23,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 17:34:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:34:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-14 17:34:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:24,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:24,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:34:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:24,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:24,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:24,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:24,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:24,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:34:24,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:34:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:24,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:34:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:34:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:34:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:24,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:24,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:24,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:24,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:24,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:24,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:24,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:24,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:24,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:24,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 51 proven. 477 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2020-10-14 17:34:24,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879343925] [2020-10-14 17:34:24,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:24,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-14 17:34:24,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018877922] [2020-10-14 17:34:24,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-14 17:34:24,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:24,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-14 17:34:24,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1042, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 17:34:24,532 INFO L87 Difference]: Start difference. First operand 195 states and 219 transitions. Second operand 34 states. [2020-10-14 17:34:28,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:28,138 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2020-10-14 17:34:28,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-14 17:34:28,139 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 193 [2020-10-14 17:34:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:28,140 INFO L225 Difference]: With dead ends: 207 [2020-10-14 17:34:28,140 INFO L226 Difference]: Without dead ends: 205 [2020-10-14 17:34:28,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=200, Invalid=2452, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 17:34:28,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-14 17:34:28,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 195. [2020-10-14 17:34:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-14 17:34:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 219 transitions. [2020-10-14 17:34:28,165 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 219 transitions. Word has length 193 [2020-10-14 17:34:28,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:28,166 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 219 transitions. [2020-10-14 17:34:28,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-14 17:34:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 219 transitions. [2020-10-14 17:34:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 17:34:28,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:28,168 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:28,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-14 17:34:28,168 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:28,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:28,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1174487246, now seen corresponding path program 39 times [2020-10-14 17:34:28,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:28,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54382413] [2020-10-14 17:34:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:28,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:29,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:29,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 17:34:29,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:29,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1424 [2020-10-14 17:34:29,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:29,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:29,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 17:34:29,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:34:29,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-14 17:34:29,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:30,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:30,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 17:34:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:34:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:34:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:34:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:30,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:30,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:30,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:30,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:30,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:30,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:30,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:30,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:30,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:30,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:30,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 264 proven. 231 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2020-10-14 17:34:30,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54382413] [2020-10-14 17:34:30,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:30,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-14 17:34:30,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060349396] [2020-10-14 17:34:30,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 17:34:30,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:30,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 17:34:30,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-14 17:34:30,208 INFO L87 Difference]: Start difference. First operand 195 states and 219 transitions. Second operand 28 states. [2020-10-14 17:34:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:31,341 INFO L93 Difference]: Finished difference Result 225 states and 253 transitions. [2020-10-14 17:34:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 17:34:31,343 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 201 [2020-10-14 17:34:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:31,345 INFO L225 Difference]: With dead ends: 225 [2020-10-14 17:34:31,345 INFO L226 Difference]: Without dead ends: 165 [2020-10-14 17:34:31,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=377, Invalid=1183, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 17:34:31,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-14 17:34:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 152. [2020-10-14 17:34:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-14 17:34:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 166 transitions. [2020-10-14 17:34:31,365 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 166 transitions. Word has length 201 [2020-10-14 17:34:31,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:31,365 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 166 transitions. [2020-10-14 17:34:31,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 17:34:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 166 transitions. [2020-10-14 17:34:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 17:34:31,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:31,367 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:31,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-14 17:34:31,367 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:31,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:31,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1478108776, now seen corresponding path program 40 times [2020-10-14 17:34:31,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:31,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339893753] [2020-10-14 17:34:31,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:31,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:34,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:34,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 17:34:34,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:34:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3551 [2020-10-14 17:34:34,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:34,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 17:34:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:34:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 17:34:34,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:35,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:35,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:35,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:34:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:34:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:35,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:35,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:35,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:34:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:34:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:34:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:34:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:36,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:36,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:36,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:36,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:36,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:36,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:36,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:36,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:36,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 56 proven. 512 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2020-10-14 17:34:36,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339893753] [2020-10-14 17:34:36,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:36,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 17:34:36,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481754303] [2020-10-14 17:34:36,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 17:34:36,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:36,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 17:34:36,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1109, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 17:34:36,153 INFO L87 Difference]: Start difference. First operand 152 states and 166 transitions. Second operand 35 states. [2020-10-14 17:34:40,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:40,605 INFO L93 Difference]: Finished difference Result 223 states and 253 transitions. [2020-10-14 17:34:40,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 17:34:40,606 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 201 [2020-10-14 17:34:40,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:40,608 INFO L225 Difference]: With dead ends: 223 [2020-10-14 17:34:40,609 INFO L226 Difference]: Without dead ends: 221 [2020-10-14 17:34:40,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=235, Invalid=2735, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 17:34:40,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-14 17:34:40,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 203. [2020-10-14 17:34:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-14 17:34:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 229 transitions. [2020-10-14 17:34:40,642 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 229 transitions. Word has length 201 [2020-10-14 17:34:40,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:40,643 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 229 transitions. [2020-10-14 17:34:40,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 17:34:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 229 transitions. [2020-10-14 17:34:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-14 17:34:40,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:40,645 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:40,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-14 17:34:40,645 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:40,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:40,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2037594691, now seen corresponding path program 41 times [2020-10-14 17:34:40,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:40,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958537402] [2020-10-14 17:34:40,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:40,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:43,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:43,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 17:34:43,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2353 [2020-10-14 17:34:43,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:43,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 17:34:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:34:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 245 [2020-10-14 17:34:43,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:43,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:43,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:43,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:43,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:43,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:43,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:43,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:43,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:43,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:43,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:43,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:43,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:43,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:43,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:43,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:43,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:43,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:43,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:43,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:43,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:43,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:43,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:43,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:34:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:43,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:34:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:34:44,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:34:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:44,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:34:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:34:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:34:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 17:34:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:44,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 61 proven. 551 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2020-10-14 17:34:44,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958537402] [2020-10-14 17:34:44,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:44,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 17:34:44,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812390813] [2020-10-14 17:34:44,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 17:34:44,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:44,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 17:34:44,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1111, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 17:34:44,245 INFO L87 Difference]: Start difference. First operand 203 states and 229 transitions. Second operand 35 states. [2020-10-14 17:34:49,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:49,204 INFO L93 Difference]: Finished difference Result 231 states and 261 transitions. [2020-10-14 17:34:49,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 17:34:49,205 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 209 [2020-10-14 17:34:49,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:49,207 INFO L225 Difference]: With dead ends: 231 [2020-10-14 17:34:49,208 INFO L226 Difference]: Without dead ends: 229 [2020-10-14 17:34:49,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=211, Invalid=2759, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 17:34:49,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-14 17:34:49,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2020-10-14 17:34:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-14 17:34:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 237 transitions. [2020-10-14 17:34:49,250 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 237 transitions. Word has length 209 [2020-10-14 17:34:49,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:49,251 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 237 transitions. [2020-10-14 17:34:49,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 17:34:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 237 transitions. [2020-10-14 17:34:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-14 17:34:49,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:49,253 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:49,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-14 17:34:49,253 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:49,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1733973161, now seen corresponding path program 42 times [2020-10-14 17:34:49,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:49,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33489101] [2020-10-14 17:34:49,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:49,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:49,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:50,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:50,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 245 [2020-10-14 17:34:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:34:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:34:55,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:55,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:55,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:34:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:34:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:34:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:55,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:34:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:55,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:34:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:34:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:34:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:34:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:34:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:34:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:34:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:55,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:34:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:34:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:34:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:34:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:34:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:34:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:34:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:34:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:34:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:34:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:34:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:55,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:34:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:55,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:34:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:55,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:34:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:34:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:34:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:34:55,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 17:34:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:55,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:34:55,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:34:55,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:34:55,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:34:55,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:34:55,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:34:55,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:34:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:34:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:34:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:34:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:34:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 56 proven. 568 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2020-10-14 17:34:55,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33489101] [2020-10-14 17:34:55,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:34:55,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-14 17:34:55,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250405780] [2020-10-14 17:34:55,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-14 17:34:55,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:34:55,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-14 17:34:55,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1244, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 17:34:55,772 INFO L87 Difference]: Start difference. First operand 211 states and 237 transitions. Second operand 37 states. [2020-10-14 17:34:59,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:34:59,878 INFO L93 Difference]: Finished difference Result 223 states and 249 transitions. [2020-10-14 17:34:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-14 17:34:59,879 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 209 [2020-10-14 17:34:59,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:34:59,880 INFO L225 Difference]: With dead ends: 223 [2020-10-14 17:34:59,881 INFO L226 Difference]: Without dead ends: 221 [2020-10-14 17:34:59,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=217, Invalid=2863, Unknown=0, NotChecked=0, Total=3080 [2020-10-14 17:34:59,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-14 17:34:59,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 211. [2020-10-14 17:34:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-14 17:34:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 237 transitions. [2020-10-14 17:34:59,922 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 237 transitions. Word has length 209 [2020-10-14 17:34:59,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:34:59,923 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 237 transitions. [2020-10-14 17:34:59,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-14 17:34:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 237 transitions. [2020-10-14 17:34:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 17:34:59,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:34:59,925 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:34:59,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-14 17:34:59,925 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:34:59,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:34:59,926 INFO L82 PathProgramCache]: Analyzing trace with hash 559333358, now seen corresponding path program 43 times [2020-10-14 17:34:59,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:34:59,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629690110] [2020-10-14 17:34:59,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:34:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:34:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 17:35:02,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2170 [2020-10-14 17:35:02,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-14 17:35:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 17:35:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-14 17:35:02,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:35:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:35:02,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:02,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:35:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:02,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:35:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:02,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:35:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:35:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:35:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:35:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:35:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:35:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:35:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:35:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:35:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:35:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:35:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:35:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 17:35:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:35:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:35:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:35:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:35:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:35:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:35:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:35:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:35:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:35:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 17:35:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 17:35:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:02,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:02,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:02,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:02,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 312 proven. 276 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2020-10-14 17:35:02,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629690110] [2020-10-14 17:35:02,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:35:02,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 17:35:02,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142691578] [2020-10-14 17:35:02,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 17:35:02,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:35:02,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 17:35:02,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-10-14 17:35:02,850 INFO L87 Difference]: Start difference. First operand 211 states and 237 transitions. Second operand 30 states. [2020-10-14 17:35:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:35:04,121 INFO L93 Difference]: Finished difference Result 241 states and 271 transitions. [2020-10-14 17:35:04,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 17:35:04,123 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 217 [2020-10-14 17:35:04,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:35:04,126 INFO L225 Difference]: With dead ends: 241 [2020-10-14 17:35:04,126 INFO L226 Difference]: Without dead ends: 177 [2020-10-14 17:35:04,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=434, Invalid=1372, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 17:35:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-14 17:35:04,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 164. [2020-10-14 17:35:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-14 17:35:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 179 transitions. [2020-10-14 17:35:04,152 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 179 transitions. Word has length 217 [2020-10-14 17:35:04,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:35:04,153 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 179 transitions. [2020-10-14 17:35:04,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 17:35:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 179 transitions. [2020-10-14 17:35:04,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 17:35:04,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:35:04,154 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:35:04,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-14 17:35:04,155 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:35:04,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:35:04,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1053299796, now seen corresponding path program 44 times [2020-10-14 17:35:04,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:35:04,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576965598] [2020-10-14 17:35:04,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:35:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:04,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:04,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3319 [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 17:35:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:35:07,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 255 [2020-10-14 17:35:07,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:35:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:35:08,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:08,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:08,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:35:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:35:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:08,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:35:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:35:08,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:35:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:35:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:35:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:35:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:35:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:35:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:35:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:35:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:35:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:35:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:35:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:35:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:35:08,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:35:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:35:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:35:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:35:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:35:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:35:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:35:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:35:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:35:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:35:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:35:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:35:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 17:35:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 17:35:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:08,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:08,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:08,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:08,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:08,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:08,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 62 proven. 606 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2020-10-14 17:35:09,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576965598] [2020-10-14 17:35:09,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:35:09,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-14 17:35:09,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585843058] [2020-10-14 17:35:09,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-14 17:35:09,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:35:09,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-14 17:35:09,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1317, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 17:35:09,016 INFO L87 Difference]: Start difference. First operand 164 states and 179 transitions. Second operand 38 states. [2020-10-14 17:35:14,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:35:14,754 INFO L93 Difference]: Finished difference Result 239 states and 271 transitions. [2020-10-14 17:35:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-14 17:35:14,755 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 217 [2020-10-14 17:35:14,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:35:14,757 INFO L225 Difference]: With dead ends: 239 [2020-10-14 17:35:14,757 INFO L226 Difference]: Without dead ends: 237 [2020-10-14 17:35:14,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=254, Invalid=3168, Unknown=0, NotChecked=0, Total=3422 [2020-10-14 17:35:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-14 17:35:14,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 219. [2020-10-14 17:35:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-14 17:35:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 247 transitions. [2020-10-14 17:35:14,788 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 247 transitions. Word has length 217 [2020-10-14 17:35:14,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:35:14,788 INFO L479 AbstractCegarLoop]: Abstraction has 219 states and 247 transitions. [2020-10-14 17:35:14,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-14 17:35:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 247 transitions. [2020-10-14 17:35:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 17:35:14,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:35:14,789 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:35:14,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-14 17:35:14,790 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:35:14,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:35:14,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1908209919, now seen corresponding path program 45 times [2020-10-14 17:35:14,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:35:14,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307821287] [2020-10-14 17:35:14,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:35:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:14,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:17,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2241 [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 265 [2020-10-14 17:35:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:35:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:35:18,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:18,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:35:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:18,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:18,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:35:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:18,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:35:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:35:18,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:35:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:18,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:35:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:35:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:35:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 17:35:18,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:35:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:35:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:35:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:35:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:35:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:35:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:35:18,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:35:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:35:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:35:18,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:35:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:35:18,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:35:18,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:35:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 17:35:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:35:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:35:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:35:18,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:35:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:35:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:35:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:35:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:35:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:35:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 17:35:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 17:35:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:18,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:18,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-14 17:35:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:18,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:18,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:18,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:18,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:18,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:35:18,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:18,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1321 backedges. 66 proven. 649 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2020-10-14 17:35:18,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307821287] [2020-10-14 17:35:18,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:35:18,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-14 17:35:18,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529934703] [2020-10-14 17:35:18,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-14 17:35:18,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:35:18,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-14 17:35:18,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1248, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 17:35:18,558 INFO L87 Difference]: Start difference. First operand 219 states and 247 transitions. Second operand 37 states. [2020-10-14 17:35:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:35:24,858 INFO L93 Difference]: Finished difference Result 247 states and 279 transitions. [2020-10-14 17:35:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-14 17:35:24,860 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 225 [2020-10-14 17:35:24,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:35:24,862 INFO L225 Difference]: With dead ends: 247 [2020-10-14 17:35:24,862 INFO L226 Difference]: Without dead ends: 245 [2020-10-14 17:35:24,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=228, Invalid=3194, Unknown=0, NotChecked=0, Total=3422 [2020-10-14 17:35:24,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-14 17:35:24,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2020-10-14 17:35:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-14 17:35:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 255 transitions. [2020-10-14 17:35:24,904 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 255 transitions. Word has length 225 [2020-10-14 17:35:24,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:35:24,905 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 255 transitions. [2020-10-14 17:35:24,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-14 17:35:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 255 transitions. [2020-10-14 17:35:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 17:35:24,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:35:24,907 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 14, 14, 14, 14, 14, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:35:24,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-14 17:35:24,907 INFO L427 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:35:24,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:35:24,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1892790939, now seen corresponding path program 46 times [2020-10-14 17:35:24,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:35:24,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126664602] [2020-10-14 17:35:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:35:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:25,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:25,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:25,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:26,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:29,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:29,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-14 17:35:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:35:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 17:35:29,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:29,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 17:35:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 17:35:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 265 [2020-10-14 17:35:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:35:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:31,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:35:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 17:35:31,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:35:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:35:31,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:35:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:31,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:35:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:35:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 17:35:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:35:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:35:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 17:35:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:35:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:35:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 17:35:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 17:35:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 17:35:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 17:35:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 17:35:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 17:35:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:35:31,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:35:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:35:31,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:35:31,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 17:35:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 17:35:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 17:35:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 17:35:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 17:35:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 17:35:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:35:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 17:35:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 17:35:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-14 17:35:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-14 17:35:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 17:35:31,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 17:35:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-14 17:35:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:35:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:35:31,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:35:31,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:35:31,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:35:31,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:35:31,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 17:35:31,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 17:35:31,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:35:31,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:35:31,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:35:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:35:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 61 proven. 665 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2020-10-14 17:35:31,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126664602] [2020-10-14 17:35:31,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:35:31,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-14 17:35:31,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626845894] [2020-10-14 17:35:31,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-14 17:35:31,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:35:31,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-14 17:35:31,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1316, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 17:35:31,593 INFO L87 Difference]: Start difference. First operand 227 states and 255 transitions. Second operand 38 states.