/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-industry-pattern/array_shadowinit.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 18:20:03,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 18:20:03,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 18:20:03,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 18:20:03,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 18:20:03,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 18:20:03,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 18:20:03,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 18:20:03,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 18:20:03,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 18:20:03,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 18:20:03,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 18:20:03,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 18:20:03,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 18:20:03,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 18:20:03,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 18:20:03,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 18:20:03,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 18:20:03,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 18:20:03,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 18:20:03,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 18:20:03,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 18:20:03,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 18:20:03,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 18:20:03,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 18:20:03,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 18:20:03,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 18:20:03,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 18:20:03,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 18:20:03,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 18:20:03,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 18:20:03,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 18:20:03,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 18:20:03,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 18:20:03,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 18:20:03,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 18:20:03,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 18:20:03,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 18:20:03,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 18:20:03,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 18:20:03,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 18:20:03,142 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 18:20:03,176 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 18:20:03,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 18:20:03,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 18:20:03,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 18:20:03,178 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 18:20:03,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 18:20:03,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 18:20:03,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 18:20:03,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 18:20:03,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 18:20:03,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 18:20:03,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 18:20:03,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 18:20:03,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 18:20:03,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 18:20:03,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 18:20:03,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 18:20:03,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 18:20:03,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 18:20:03,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 18:20:03,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 18:20:03,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:20:03,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 18:20:03,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 18:20:03,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 18:20:03,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 18:20:03,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 18:20:03,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 18:20:03,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 18:20:03,183 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 18:20:03,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 18:20:03,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 18:20:03,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 18:20:03,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 18:20:03,583 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 18:20:03,584 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_shadowinit.i [2020-10-14 18:20:03,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/907f3ee9e/e0f4cdfdff4644d89914357a04bba9db/FLAG896353998 [2020-10-14 18:20:04,238 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 18:20:04,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-industry-pattern/array_shadowinit.i [2020-10-14 18:20:04,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/907f3ee9e/e0f4cdfdff4644d89914357a04bba9db/FLAG896353998 [2020-10-14 18:20:04,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/907f3ee9e/e0f4cdfdff4644d89914357a04bba9db [2020-10-14 18:20:04,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 18:20:04,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 18:20:04,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 18:20:04,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 18:20:04,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 18:20:04,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:04,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3d6b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04, skipping insertion in model container [2020-10-14 18:20:04,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:04,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 18:20:04,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 18:20:04,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:20:04,909 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 18:20:04,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:20:04,959 INFO L208 MainTranslator]: Completed translation [2020-10-14 18:20:04,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04 WrapperNode [2020-10-14 18:20:04,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 18:20:04,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 18:20:04,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 18:20:04,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 18:20:05,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:05,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:05,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:05,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:05,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:05,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:05,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (1/1) ... [2020-10-14 18:20:05,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 18:20:05,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 18:20:05,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 18:20:05,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 18:20:05,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (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 18:20:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 18:20:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 18:20:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 18:20:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 18:20:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 18:20:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 18:20:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 18:20:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 18:20:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 18:20:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 18:20:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 18:20:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 18:20:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 18:20:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 18:20:05,406 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 18:20:05,406 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 18:20:05,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:20:05 BoogieIcfgContainer [2020-10-14 18:20:05,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 18:20:05,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 18:20:05,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 18:20:05,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 18:20:05,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:20:04" (1/3) ... [2020-10-14 18:20:05,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46216ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:20:05, skipping insertion in model container [2020-10-14 18:20:05,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:20:04" (2/3) ... [2020-10-14 18:20:05,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46216ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:20:05, skipping insertion in model container [2020-10-14 18:20:05,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:20:05" (3/3) ... [2020-10-14 18:20:05,422 INFO L109 eAbstractionObserver]: Analyzing ICFG array_shadowinit.i [2020-10-14 18:20:05,435 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 18:20:05,443 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 18:20:05,460 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 18:20:05,486 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 18:20:05,486 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 18:20:05,487 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 18:20:05,487 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 18:20:05,487 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 18:20:05,488 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 18:20:05,488 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 18:20:05,488 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 18:20:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-14 18:20:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-14 18:20:05,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:05,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:05,514 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:05,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:05,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1065998934, now seen corresponding path program 1 times [2020-10-14 18:20:05,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:05,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596545736] [2020-10-14 18:20:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:05,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:05,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:05,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 18:20:05,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-14 18:20:05,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:05,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:05,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 18:20:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:05,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 18:20:05,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:05,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:05,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:05,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:05,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:05,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 18:20:05,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:05,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:05,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:05,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:20:05,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596545736] [2020-10-14 18:20:05,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:20:05,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:20:05,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025217738] [2020-10-14 18:20:05,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:20:05,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:05,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:20:05,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:20:05,943 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2020-10-14 18:20:06,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:06,065 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-10-14 18:20:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:20:06,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-14 18:20:06,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:06,079 INFO L225 Difference]: With dead ends: 40 [2020-10-14 18:20:06,080 INFO L226 Difference]: Without dead ends: 18 [2020-10-14 18:20:06,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:20:06,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-14 18:20:06,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-14 18:20:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-14 18:20:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-10-14 18:20:06,160 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2020-10-14 18:20:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:06,161 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-10-14 18:20:06,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:20:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-10-14 18:20:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-14 18:20:06,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:06,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:06,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 18:20:06,163 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:06,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:06,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1810951506, now seen corresponding path program 1 times [2020-10-14 18:20:06,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:06,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735394504] [2020-10-14 18:20:06,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:06,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:06,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:06,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 18:20:06,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:06,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 18:20:06,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:06,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 18:20:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:06,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:06,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:06,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:06,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:06,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 18:20:06,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:06,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:06,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:06,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:06,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:20:06,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735394504] [2020-10-14 18:20:06,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:20:06,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 18:20:06,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620737508] [2020-10-14 18:20:06,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 18:20:06,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:06,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 18:20:06,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:20:06,434 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 4 states. [2020-10-14 18:20:06,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:06,505 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-10-14 18:20:06,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 18:20:06,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-14 18:20:06,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:06,507 INFO L225 Difference]: With dead ends: 29 [2020-10-14 18:20:06,507 INFO L226 Difference]: Without dead ends: 19 [2020-10-14 18:20:06,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 18:20:06,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-14 18:20:06,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-14 18:20:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-14 18:20:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2020-10-14 18:20:06,517 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2020-10-14 18:20:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:06,517 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2020-10-14 18:20:06,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 18:20:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2020-10-14 18:20:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-14 18:20:06,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:06,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:06,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 18:20:06,519 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:06,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:06,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1816633037, now seen corresponding path program 1 times [2020-10-14 18:20:06,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:06,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123480018] [2020-10-14 18:20:06,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:06,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:06,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:06,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 18:20:06,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:06,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-14 18:20:06,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:06,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 18:20:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 18:20:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:07,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:07,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:07,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:07,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:07,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:07,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:20:07,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123480018] [2020-10-14 18:20:07,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:07,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 18:20:07,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772193575] [2020-10-14 18:20:07,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 18:20:07,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:07,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 18:20:07,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-14 18:20:07,029 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 9 states. [2020-10-14 18:20:07,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:07,265 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-14 18:20:07,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 18:20:07,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-10-14 18:20:07,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:07,267 INFO L225 Difference]: With dead ends: 28 [2020-10-14 18:20:07,268 INFO L226 Difference]: Without dead ends: 26 [2020-10-14 18:20:07,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:20:07,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-14 18:20:07,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2020-10-14 18:20:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-14 18:20:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-10-14 18:20:07,279 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 15 [2020-10-14 18:20:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:07,280 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-10-14 18:20:07,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 18:20:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-10-14 18:20:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 18:20:07,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:07,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:07,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 18:20:07,282 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:07,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:07,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1919305976, now seen corresponding path program 1 times [2020-10-14 18:20:07,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:07,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042846787] [2020-10-14 18:20:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:07,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:07,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 18:20:07,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:07,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-14 18:20:07,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:07,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 18:20:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 18:20:07,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:07,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:07,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:07,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:07,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:07,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:07,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:07,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:07,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 18:20:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:07,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:07,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:07,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:07,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:07,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 18:20:07,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:07,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:20:07,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042846787] [2020-10-14 18:20:07,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:07,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 18:20:07,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964380779] [2020-10-14 18:20:07,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 18:20:07,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:07,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 18:20:07,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 18:20:07,657 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 8 states. [2020-10-14 18:20:07,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:07,832 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2020-10-14 18:20:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 18:20:07,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-10-14 18:20:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:07,836 INFO L225 Difference]: With dead ends: 48 [2020-10-14 18:20:07,836 INFO L226 Difference]: Without dead ends: 30 [2020-10-14 18:20:07,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-14 18:20:07,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-14 18:20:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2020-10-14 18:20:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-14 18:20:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-14 18:20:07,849 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 22 [2020-10-14 18:20:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:07,850 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-14 18:20:07,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 18:20:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-14 18:20:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-14 18:20:07,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:07,851 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:07,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 18:20:07,852 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:07,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:07,852 INFO L82 PathProgramCache]: Analyzing trace with hash -248493095, now seen corresponding path program 2 times [2020-10-14 18:20:07,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:07,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868510838] [2020-10-14 18:20:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:07,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:08,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:08,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 18:20:08,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-14 18:20:08,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:08,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 18:20:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 18:20:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:08,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:08,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:08,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:08,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:08,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:08,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:08,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 18:20:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:08,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:08,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:08,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:08,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:08,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:08,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:08,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:20:08,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868510838] [2020-10-14 18:20:08,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:08,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 18:20:08,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229985825] [2020-10-14 18:20:08,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 18:20:08,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:08,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 18:20:08,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-14 18:20:08,191 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 11 states. [2020-10-14 18:20:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:08,416 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-10-14 18:20:08,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 18:20:08,416 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-14 18:20:08,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:08,418 INFO L225 Difference]: With dead ends: 36 [2020-10-14 18:20:08,418 INFO L226 Difference]: Without dead ends: 34 [2020-10-14 18:20:08,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-14 18:20:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-14 18:20:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-10-14 18:20:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-14 18:20:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-10-14 18:20:08,427 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 23 [2020-10-14 18:20:08,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:08,427 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-10-14 18:20:08,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 18:20:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-10-14 18:20:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 18:20:08,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:08,429 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:08,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 18:20:08,429 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:08,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:08,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2146027630, now seen corresponding path program 3 times [2020-10-14 18:20:08,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:08,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082653738] [2020-10-14 18:20:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:08,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:08,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:08,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 18:20:08,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:08,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 18:20:08,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:08,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:08,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 18:20:08,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:08,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 18:20:08,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:08,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:08,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:08,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:08,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:08,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:08,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 18:20:08,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:08,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:08,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:08,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:08,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:20:08,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 18:20:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:08,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:08,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:08,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 18:20:08,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:08,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:08,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:08,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 18:20:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:08,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:08,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:08,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:08,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:08,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 18:20:08,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:08,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:08,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 18:20:08,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082653738] [2020-10-14 18:20:08,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:08,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 18:20:08,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375586649] [2020-10-14 18:20:08,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 18:20:08,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:08,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 18:20:08,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-14 18:20:08,720 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 10 states. [2020-10-14 18:20:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:08,953 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2020-10-14 18:20:08,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 18:20:08,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-10-14 18:20:08,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:08,954 INFO L225 Difference]: With dead ends: 63 [2020-10-14 18:20:08,954 INFO L226 Difference]: Without dead ends: 38 [2020-10-14 18:20:08,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:20:08,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-14 18:20:08,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2020-10-14 18:20:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-14 18:20:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-14 18:20:08,971 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 30 [2020-10-14 18:20:08,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:08,971 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-14 18:20:08,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 18:20:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-14 18:20:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 18:20:08,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:08,973 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:08,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 18:20:08,973 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:08,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:08,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1843644787, now seen corresponding path program 4 times [2020-10-14 18:20:08,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:08,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588539909] [2020-10-14 18:20:08,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:09,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:09,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:09,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 18:20:09,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:09,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-14 18:20:09,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:09,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 18:20:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 18:20:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:09,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:09,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:09,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:09,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:09,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:09,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:09,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:09,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 18:20:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:09,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:09,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:09,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:09,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:09,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 18:20:09,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:09,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:09,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:09,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:09,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 18:20:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:09,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:09,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:09,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:09,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 18:20:09,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:09,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 18:20:09,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588539909] [2020-10-14 18:20:09,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:09,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 18:20:09,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835071082] [2020-10-14 18:20:09,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 18:20:09,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:09,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 18:20:09,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-10-14 18:20:09,599 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 13 states. [2020-10-14 18:20:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:10,025 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2020-10-14 18:20:10,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 18:20:10,026 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2020-10-14 18:20:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:10,028 INFO L225 Difference]: With dead ends: 44 [2020-10-14 18:20:10,028 INFO L226 Difference]: Without dead ends: 42 [2020-10-14 18:20:10,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:20:10,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-14 18:20:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2020-10-14 18:20:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-14 18:20:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2020-10-14 18:20:10,050 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 31 [2020-10-14 18:20:10,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:10,052 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2020-10-14 18:20:10,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 18:20:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2020-10-14 18:20:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 18:20:10,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:10,055 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:10,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 18:20:10,055 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:10,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1415649464, now seen corresponding path program 5 times [2020-10-14 18:20:10,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:10,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562457229] [2020-10-14 18:20:10,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:10,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:10,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:10,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 18:20:10,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-14 18:20:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:10,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 18:20:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 18:20:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:10,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:10,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:10,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:10,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:10,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:10,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:10,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:10,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:10,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 18:20:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:10,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:10,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:10,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:10,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:10,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:10,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:10,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:10,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:10,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:10,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:10,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 18:20:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:10,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:10,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:10,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:10,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:10,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:10,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:10,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:10,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:10,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:20:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:10,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:10,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:10,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:10,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:10,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:10,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 18:20:10,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562457229] [2020-10-14 18:20:10,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:10,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 18:20:10,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829168220] [2020-10-14 18:20:10,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 18:20:10,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:10,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 18:20:10,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 18:20:10,426 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 12 states. [2020-10-14 18:20:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:10,670 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2020-10-14 18:20:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 18:20:10,670 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2020-10-14 18:20:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:10,671 INFO L225 Difference]: With dead ends: 78 [2020-10-14 18:20:10,672 INFO L226 Difference]: Without dead ends: 46 [2020-10-14 18:20:10,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-10-14 18:20:10,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-14 18:20:10,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-10-14 18:20:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-14 18:20:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-14 18:20:10,681 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 38 [2020-10-14 18:20:10,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:10,682 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-14 18:20:10,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 18:20:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-14 18:20:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 18:20:10,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:10,684 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:10,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 18:20:10,684 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:10,684 INFO L82 PathProgramCache]: Analyzing trace with hash 942881177, now seen corresponding path program 6 times [2020-10-14 18:20:10,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:10,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383202350] [2020-10-14 18:20:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:11,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:11,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 18:20:11,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:11,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-14 18:20:11,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:11,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-14 18:20:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:11,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 18:20:11,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:11,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:11,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:11,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:11,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 18:20:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:11,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:11,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:11,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:11,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:11,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:11,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:20:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:11,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:11,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:11,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:11,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:11,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:11,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:11,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:20:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:11,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:11,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:11,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:11,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:11,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 18:20:11,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383202350] [2020-10-14 18:20:11,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:11,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-14 18:20:11,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101094943] [2020-10-14 18:20:11,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 18:20:11,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 18:20:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-14 18:20:11,255 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 15 states. [2020-10-14 18:20:11,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:11,704 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-14 18:20:11,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 18:20:11,705 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2020-10-14 18:20:11,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:11,706 INFO L225 Difference]: With dead ends: 52 [2020-10-14 18:20:11,706 INFO L226 Difference]: Without dead ends: 50 [2020-10-14 18:20:11,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2020-10-14 18:20:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-14 18:20:11,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2020-10-14 18:20:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-14 18:20:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2020-10-14 18:20:11,715 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 39 [2020-10-14 18:20:11,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:11,715 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2020-10-14 18:20:11,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 18:20:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2020-10-14 18:20:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 18:20:11,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:11,717 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:11,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 18:20:11,717 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:11,718 INFO L82 PathProgramCache]: Analyzing trace with hash 306205138, now seen corresponding path program 7 times [2020-10-14 18:20:11,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:11,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790495433] [2020-10-14 18:20:11,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:11,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:12,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:12,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 18:20:12,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:12,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-14 18:20:12,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:12,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:12,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 18:20:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-14 18:20:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:12,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:12,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:12,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:12,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:12,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:12,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:12,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:12,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 18:20:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:12,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:12,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:12,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:12,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:12,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:12,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:20:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:12,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:12,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:12,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:12,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:12,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:12,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:12,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:20:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:12,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:12,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:12,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:12,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:12,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:12,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:12,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:12,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:12,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 18:20:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:12,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:12,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:12,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:12,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:12,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:12,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:12,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:12,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:12,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 18:20:12,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790495433] [2020-10-14 18:20:12,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:12,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 18:20:12,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043110637] [2020-10-14 18:20:12,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 18:20:12,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:12,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 18:20:12,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:20:12,225 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 14 states. [2020-10-14 18:20:12,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:12,532 INFO L93 Difference]: Finished difference Result 93 states and 96 transitions. [2020-10-14 18:20:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 18:20:12,533 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2020-10-14 18:20:12,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:12,534 INFO L225 Difference]: With dead ends: 93 [2020-10-14 18:20:12,535 INFO L226 Difference]: Without dead ends: 54 [2020-10-14 18:20:12,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 18:20:12,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-14 18:20:12,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2020-10-14 18:20:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-14 18:20:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-10-14 18:20:12,555 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 46 [2020-10-14 18:20:12,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:12,556 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-10-14 18:20:12,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 18:20:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-10-14 18:20:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 18:20:12,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:12,558 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:12,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 18:20:12,559 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:12,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:12,559 INFO L82 PathProgramCache]: Analyzing trace with hash -501743181, now seen corresponding path program 8 times [2020-10-14 18:20:12,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:12,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030280000] [2020-10-14 18:20:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:12,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:13,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:13,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-14 18:20:13,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-14 18:20:13,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:13,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-14 18:20:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 18:20:13,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:13,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:13,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:13,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:13,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:13,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:13,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:13,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:20:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:13,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:13,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:13,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:13,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:13,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:13,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 18:20:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:13,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:13,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:13,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:13,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:13,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 18:20:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:13,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:13,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:13,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:13,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:13,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:13,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:13,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:20:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:13,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:13,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:13,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:13,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:13,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:13,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 8 proven. 41 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 18:20:13,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030280000] [2020-10-14 18:20:13,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:13,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 18:20:13,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545144455] [2020-10-14 18:20:13,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 18:20:13,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:13,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 18:20:13,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-14 18:20:13,338 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 17 states. [2020-10-14 18:20:13,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:13,850 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2020-10-14 18:20:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 18:20:13,851 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 47 [2020-10-14 18:20:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:13,852 INFO L225 Difference]: With dead ends: 60 [2020-10-14 18:20:13,852 INFO L226 Difference]: Without dead ends: 58 [2020-10-14 18:20:13,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2020-10-14 18:20:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-14 18:20:13,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2020-10-14 18:20:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 18:20:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-10-14 18:20:13,861 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 47 [2020-10-14 18:20:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:13,862 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-10-14 18:20:13,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 18:20:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-10-14 18:20:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 18:20:13,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:13,863 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:13,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 18:20:13,863 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:13,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:13,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1211557768, now seen corresponding path program 9 times [2020-10-14 18:20:13,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:13,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267809345] [2020-10-14 18:20:13,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:14,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:14,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 18:20:14,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:14,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-14 18:20:14,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:14,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 18:20:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:14,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 18:20:14,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:14,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:14,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:14,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:14,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:14,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:14,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:14,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:14,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:14,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:14,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:14,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:14,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:14,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:20:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:14,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:14,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:14,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:14,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:14,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:14,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:14,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 18:20:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:14,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:14,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:14,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:14,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:14,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:14,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:14,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 18:20:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:14,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:14,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:14,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:14,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:14,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:14,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:14,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:14,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:20:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:14,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:14,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:14,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:14,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:14,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:14,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:14,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:14,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:14,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 18:20:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:14,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:14,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:14,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:14,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:14,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:14,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 18:20:14,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267809345] [2020-10-14 18:20:14,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:14,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 18:20:14,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400833855] [2020-10-14 18:20:14,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 18:20:14,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:14,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 18:20:14,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-14 18:20:14,377 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 16 states. [2020-10-14 18:20:14,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:14,704 INFO L93 Difference]: Finished difference Result 108 states and 111 transitions. [2020-10-14 18:20:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 18:20:14,705 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 54 [2020-10-14 18:20:14,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:14,706 INFO L225 Difference]: With dead ends: 108 [2020-10-14 18:20:14,706 INFO L226 Difference]: Without dead ends: 62 [2020-10-14 18:20:14,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-10-14 18:20:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-14 18:20:14,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2020-10-14 18:20:14,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-14 18:20:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions. [2020-10-14 18:20:14,716 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 54 [2020-10-14 18:20:14,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:14,716 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions. [2020-10-14 18:20:14,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 18:20:14,717 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2020-10-14 18:20:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 18:20:14,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:14,717 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:14,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 18:20:14,718 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:14,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:14,718 INFO L82 PathProgramCache]: Analyzing trace with hash -660121767, now seen corresponding path program 10 times [2020-10-14 18:20:14,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:14,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557664051] [2020-10-14 18:20:14,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:14,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:15,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:15,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 18:20:15,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:15,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-10-14 18:20:15,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:15,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 18:20:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 18:20:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:15,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:15,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:15,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:15,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:15,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:15,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:15,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:15,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:15,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 18:20:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:15,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:15,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:15,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:15,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:15,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:15,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:15,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:15,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:15,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 18:20:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:15,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:15,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:15,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:15,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:15,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:15,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:15,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:15,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 18:20:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:15,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:15,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:15,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:15,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:15,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:15,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:15,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:15,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:15,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:15,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:15,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:15,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:20:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:15,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:15,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:15,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:15,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:15,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:15,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:15,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:15,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:20:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:15,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:15,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:15,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:15,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:15,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:15,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:15,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 10 proven. 61 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-14 18:20:15,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557664051] [2020-10-14 18:20:15,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:15,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 18:20:15,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063266245] [2020-10-14 18:20:15,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 18:20:15,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:15,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 18:20:15,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:20:15,533 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand 19 states. [2020-10-14 18:20:16,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:16,248 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2020-10-14 18:20:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 18:20:16,248 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2020-10-14 18:20:16,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:16,250 INFO L225 Difference]: With dead ends: 68 [2020-10-14 18:20:16,250 INFO L226 Difference]: Without dead ends: 66 [2020-10-14 18:20:16,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2020-10-14 18:20:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-14 18:20:16,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-10-14 18:20:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-14 18:20:16,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-10-14 18:20:16,261 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 55 [2020-10-14 18:20:16,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:16,261 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-10-14 18:20:16,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 18:20:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-10-14 18:20:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 18:20:16,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:16,263 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:16,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 18:20:16,263 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:16,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:16,264 INFO L82 PathProgramCache]: Analyzing trace with hash 843267090, now seen corresponding path program 11 times [2020-10-14 18:20:16,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:16,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167019093] [2020-10-14 18:20:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 18:20:16,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-14 18:20:16,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-14 18:20:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 18:20:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:16,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:16,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:16,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:16,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 18:20:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:16,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:16,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:16,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:16,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 18:20:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:16,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:16,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:16,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 18:20:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:16,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:16,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:16,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:20:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:16,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:16,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:16,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:20:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:16,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:16,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:16,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 18:20:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:16,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:16,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:16,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:16,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:16,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:16,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:16,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:16,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:16,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:16,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-14 18:20:17,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167019093] [2020-10-14 18:20:17,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:17,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 18:20:17,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613379755] [2020-10-14 18:20:17,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 18:20:17,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:17,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 18:20:17,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-14 18:20:17,012 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 18 states. [2020-10-14 18:20:17,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:17,362 INFO L93 Difference]: Finished difference Result 123 states and 126 transitions. [2020-10-14 18:20:17,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 18:20:17,363 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 62 [2020-10-14 18:20:17,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:17,363 INFO L225 Difference]: With dead ends: 123 [2020-10-14 18:20:17,363 INFO L226 Difference]: Without dead ends: 70 [2020-10-14 18:20:17,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2020-10-14 18:20:17,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-14 18:20:17,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2020-10-14 18:20:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-14 18:20:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-14 18:20:17,377 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 62 [2020-10-14 18:20:17,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:17,377 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-14 18:20:17,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 18:20:17,377 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-14 18:20:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 18:20:17,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:17,378 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:17,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 18:20:17,379 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:17,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:17,379 INFO L82 PathProgramCache]: Analyzing trace with hash 2015955443, now seen corresponding path program 12 times [2020-10-14 18:20:17,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:17,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942290939] [2020-10-14 18:20:17,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:17,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 18:20:18,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 616 [2020-10-14 18:20:18,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-14 18:20:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 18:20:18,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:18,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:18,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:18,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:18,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 18:20:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:18,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:18,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:18,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:18,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 18:20:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:18,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:18,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:18,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:20:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:18,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:18,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:18,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:18,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 18:20:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:18,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:18,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:18,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:18,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:18,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:20:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:18,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:18,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:18,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:18,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:18,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:18,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:20:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:18,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:18,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:18,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:18,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:18,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:18,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:18,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:18,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:18,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:18,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:18,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 12 proven. 85 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-14 18:20:18,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942290939] [2020-10-14 18:20:18,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:18,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-14 18:20:18,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827790329] [2020-10-14 18:20:18,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-14 18:20:18,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:18,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-14 18:20:18,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-14 18:20:18,574 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 21 states. [2020-10-14 18:20:19,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:19,562 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-14 18:20:19,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 18:20:19,563 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 63 [2020-10-14 18:20:19,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:19,564 INFO L225 Difference]: With dead ends: 76 [2020-10-14 18:20:19,564 INFO L226 Difference]: Without dead ends: 74 [2020-10-14 18:20:19,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2020-10-14 18:20:19,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-14 18:20:19,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2020-10-14 18:20:19,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-14 18:20:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2020-10-14 18:20:19,582 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 63 [2020-10-14 18:20:19,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:19,583 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2020-10-14 18:20:19,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-14 18:20:19,583 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2020-10-14 18:20:19,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-14 18:20:19,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:19,584 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:19,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 18:20:19,584 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:19,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:19,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1581926456, now seen corresponding path program 13 times [2020-10-14 18:20:19,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:19,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42221052] [2020-10-14 18:20:19,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:19,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 18:20:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 481 [2020-10-14 18:20:20,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 18:20:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 18:20:20,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:20,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:20,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:20,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:20,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 18:20:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:20,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:20:20,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:20,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:20,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 18:20:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:20,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:20,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:20,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:20,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:20:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:20,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:20,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:20,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:20,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 18:20:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:20,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:20,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:20:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:20,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:20,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:20,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:20,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:20:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:20,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:20,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:20,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:20:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:20,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:20,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:20,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:20,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 72 proven. 47 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 18:20:20,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42221052] [2020-10-14 18:20:20,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:20,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-14 18:20:20,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010989689] [2020-10-14 18:20:20,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-14 18:20:20,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:20,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-14 18:20:20,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2020-10-14 18:20:20,370 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 20 states. [2020-10-14 18:20:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:20,861 INFO L93 Difference]: Finished difference Result 138 states and 141 transitions. [2020-10-14 18:20:20,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 18:20:20,862 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 70 [2020-10-14 18:20:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:20,863 INFO L225 Difference]: With dead ends: 138 [2020-10-14 18:20:20,863 INFO L226 Difference]: Without dead ends: 78 [2020-10-14 18:20:20,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2020-10-14 18:20:20,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-14 18:20:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2020-10-14 18:20:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-14 18:20:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2020-10-14 18:20:20,875 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 70 [2020-10-14 18:20:20,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:20,875 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2020-10-14 18:20:20,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-14 18:20:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2020-10-14 18:20:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-14 18:20:20,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:20,877 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:20,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 18:20:20,877 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:20,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:20,877 INFO L82 PathProgramCache]: Analyzing trace with hash 205038873, now seen corresponding path program 14 times [2020-10-14 18:20:20,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:20,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87504424] [2020-10-14 18:20:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:20,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:21,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:21,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 18:20:21,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-10-14 18:20:21,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:21,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-14 18:20:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 18:20:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:21,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:21,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:21,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:21,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:21,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:21,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:21,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:21,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:21,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 18:20:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:21,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:21,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:21,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:21,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:21,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 18:20:21,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:21,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:21,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:21,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 18:20:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:21,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:21,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:21,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:21,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:21,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:21,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:21,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 18:20:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:21,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:22,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:22,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:22,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:22,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:22,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:22,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:22,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:22,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:22,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:20:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:22,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:22,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:22,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:22,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:22,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:20:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:22,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:22,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:22,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:22,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:22,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:22,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:22,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:20:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:22,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:22,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:22,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:22,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:22,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:22,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:22,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:20:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:22,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:22,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:22,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:22,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:22,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:22,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 14 proven. 113 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-14 18:20:22,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87504424] [2020-10-14 18:20:22,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:22,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 18:20:22,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246630576] [2020-10-14 18:20:22,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 18:20:22,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:22,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 18:20:22,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-14 18:20:22,054 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 23 states. [2020-10-14 18:20:23,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:23,030 INFO L93 Difference]: Finished difference Result 84 states and 85 transitions. [2020-10-14 18:20:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 18:20:23,030 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 71 [2020-10-14 18:20:23,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:23,033 INFO L225 Difference]: With dead ends: 84 [2020-10-14 18:20:23,034 INFO L226 Difference]: Without dead ends: 82 [2020-10-14 18:20:23,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=1094, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 18:20:23,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-14 18:20:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2020-10-14 18:20:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 18:20:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-14 18:20:23,056 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 71 [2020-10-14 18:20:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:23,056 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-14 18:20:23,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 18:20:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-14 18:20:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 18:20:23,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:23,059 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:23,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 18:20:23,060 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:23,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:23,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1393363374, now seen corresponding path program 15 times [2020-10-14 18:20:23,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:23,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437114976] [2020-10-14 18:20:23,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:23,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:23,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:23,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-14 18:20:23,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:23,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-14 18:20:23,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:23,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:23,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-14 18:20:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 18:20:23,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:23,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:23,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:23,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:23,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:23,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:23,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:23,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:23,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:23,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:23,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 18:20:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:23,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:23,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:23,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:23,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:23,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:23,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 18:20:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:23,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:23,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:23,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:23,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:23,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:23,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:23,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:23,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:23,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 18:20:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:23,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:23,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:23,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:23,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:23,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:23,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:23,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:20:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:24,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:24,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:24,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:24,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:24,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:24,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:24,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:20:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:24,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:24,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:24,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:24,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:24,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:24,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:24,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:24,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:20:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:24,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:24,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:24,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:24,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:24,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:24,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:24,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:24,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:24,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:24,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:20:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:24,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:24,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:24,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:24,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:24,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:24,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:24,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:24,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:24,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:20:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:24,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:24,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:24,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:24,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:24,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:24,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:24,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:24,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:24,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 116 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-14 18:20:24,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437114976] [2020-10-14 18:20:24,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:24,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-14 18:20:24,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597107961] [2020-10-14 18:20:24,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-14 18:20:24,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:24,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-14 18:20:24,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-14 18:20:24,048 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 22 states. [2020-10-14 18:20:24,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:24,585 INFO L93 Difference]: Finished difference Result 153 states and 156 transitions. [2020-10-14 18:20:24,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 18:20:24,586 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 78 [2020-10-14 18:20:24,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:24,587 INFO L225 Difference]: With dead ends: 153 [2020-10-14 18:20:24,587 INFO L226 Difference]: Without dead ends: 86 [2020-10-14 18:20:24,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2020-10-14 18:20:24,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-14 18:20:24,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2020-10-14 18:20:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-14 18:20:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2020-10-14 18:20:24,602 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 78 [2020-10-14 18:20:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:24,603 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2020-10-14 18:20:24,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-14 18:20:24,603 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2020-10-14 18:20:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 18:20:24,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:24,604 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:24,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 18:20:24,604 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:24,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:24,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1961550387, now seen corresponding path program 16 times [2020-10-14 18:20:24,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:24,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953570566] [2020-10-14 18:20:24,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:24,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 18:20:25,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 795 [2020-10-14 18:20:25,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 18:20:25,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:25,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 18:20:25,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:25,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:25,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:25,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:25,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:25,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:25,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 18:20:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:25,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:25,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:25,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:25,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:25,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 18:20:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:25,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:25,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:25,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:20:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:25,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:25,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:25,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:25,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:20:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:25,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:25,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:25,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:25,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:20:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:25,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:25,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:25,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:25,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:20:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:25,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:25,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:25,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:25,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:25,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:25,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:25,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:20:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:26,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:26,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:26,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:26,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:26,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:26,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:26,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:26,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:26,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:26,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:26,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:26,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:20:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:26,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:26,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:26,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:26,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:26,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:26,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:26,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:26,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:26,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 16 proven. 145 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-14 18:20:26,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953570566] [2020-10-14 18:20:26,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:26,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-14 18:20:26,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402664349] [2020-10-14 18:20:26,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-14 18:20:26,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:26,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-14 18:20:26,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2020-10-14 18:20:26,042 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 25 states. [2020-10-14 18:20:27,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:27,318 INFO L93 Difference]: Finished difference Result 92 states and 93 transitions. [2020-10-14 18:20:27,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 18:20:27,319 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 79 [2020-10-14 18:20:27,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:27,320 INFO L225 Difference]: With dead ends: 92 [2020-10-14 18:20:27,320 INFO L226 Difference]: Without dead ends: 90 [2020-10-14 18:20:27,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=101, Invalid=1231, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 18:20:27,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-14 18:20:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2020-10-14 18:20:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-14 18:20:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 90 transitions. [2020-10-14 18:20:27,335 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 90 transitions. Word has length 79 [2020-10-14 18:20:27,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:27,335 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 90 transitions. [2020-10-14 18:20:27,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-14 18:20:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2020-10-14 18:20:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-14 18:20:27,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:27,336 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:27,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 18:20:27,337 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:27,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:27,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1399805960, now seen corresponding path program 17 times [2020-10-14 18:20:27,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:27,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249682415] [2020-10-14 18:20:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:27,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:27,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:27,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 18:20:27,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 603 [2020-10-14 18:20:27,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:27,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-14 18:20:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-14 18:20:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:28,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:20:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 18:20:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:28,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:28,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 18:20:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:28,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:28,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:20:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:28,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:28,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:20:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:28,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:28,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:20:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:28,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:20:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:28,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:20:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:28,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:20:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:28,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:20:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:28,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:28,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:28,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:28,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:28,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 119 proven. 70 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 18:20:28,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249682415] [2020-10-14 18:20:28,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:28,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-14 18:20:28,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830718805] [2020-10-14 18:20:28,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-14 18:20:28,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:28,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-14 18:20:28,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2020-10-14 18:20:28,329 INFO L87 Difference]: Start difference. First operand 89 states and 90 transitions. Second operand 24 states. [2020-10-14 18:20:28,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:28,842 INFO L93 Difference]: Finished difference Result 168 states and 171 transitions. [2020-10-14 18:20:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 18:20:28,843 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 86 [2020-10-14 18:20:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:28,844 INFO L225 Difference]: With dead ends: 168 [2020-10-14 18:20:28,844 INFO L226 Difference]: Without dead ends: 94 [2020-10-14 18:20:28,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 18:20:28,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-14 18:20:28,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2020-10-14 18:20:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 18:20:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-14 18:20:28,861 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 86 [2020-10-14 18:20:28,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:28,862 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-14 18:20:28,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-14 18:20:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-14 18:20:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-14 18:20:28,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:28,864 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:28,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 18:20:28,865 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:28,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:28,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1349311783, now seen corresponding path program 18 times [2020-10-14 18:20:28,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:28,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666080216] [2020-10-14 18:20:28,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:28,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:29,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:29,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 18:20:29,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:29,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 784 [2020-10-14 18:20:29,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:29,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-14 18:20:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 18:20:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:30,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:30,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 18:20:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:30,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:30,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:20:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:30,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:20:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:30,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 18:20:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:30,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:20:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:30,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:20:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:30,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:20:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:30,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:20:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:30,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:30,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:20:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:30,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:30,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:30,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:30,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:30,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:30,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:30,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:30,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:30,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:30,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:30,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 18 proven. 181 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 18:20:30,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666080216] [2020-10-14 18:20:30,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:30,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-14 18:20:30,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093985645] [2020-10-14 18:20:30,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-14 18:20:30,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:30,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-14 18:20:30,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-14 18:20:30,310 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 27 states. [2020-10-14 18:20:31,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:31,670 INFO L93 Difference]: Finished difference Result 100 states and 101 transitions. [2020-10-14 18:20:31,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 18:20:31,671 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 87 [2020-10-14 18:20:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:31,672 INFO L225 Difference]: With dead ends: 100 [2020-10-14 18:20:31,672 INFO L226 Difference]: Without dead ends: 98 [2020-10-14 18:20:31,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=112, Invalid=1528, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 18:20:31,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-14 18:20:31,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2020-10-14 18:20:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-14 18:20:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 98 transitions. [2020-10-14 18:20:31,684 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 98 transitions. Word has length 87 [2020-10-14 18:20:31,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:31,684 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 98 transitions. [2020-10-14 18:20:31,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-14 18:20:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2020-10-14 18:20:31,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 18:20:31,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:31,689 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:31,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 18:20:31,689 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:31,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:31,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1277395090, now seen corresponding path program 19 times [2020-10-14 18:20:31,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:31,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607249132] [2020-10-14 18:20:31,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:31,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 18:20:32,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 811 [2020-10-14 18:20:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 18:20:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 18:20:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:32,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:32,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 18:20:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:32,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:20:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:32,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:20:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 18:20:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:32,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:20:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:32,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:32,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:20:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:32,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:32,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:20:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:20:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:20:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:20:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:32,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:32,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:32,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:32,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:32,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:32,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:32,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:32,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:32,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:32,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:32,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 175 proven. 55 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-14 18:20:32,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607249132] [2020-10-14 18:20:32,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:32,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-14 18:20:32,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811881244] [2020-10-14 18:20:32,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-14 18:20:32,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:32,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-14 18:20:32,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-14 18:20:32,935 INFO L87 Difference]: Start difference. First operand 97 states and 98 transitions. Second operand 26 states. [2020-10-14 18:20:33,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:33,608 INFO L93 Difference]: Finished difference Result 183 states and 186 transitions. [2020-10-14 18:20:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 18:20:33,611 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 94 [2020-10-14 18:20:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:33,612 INFO L225 Difference]: With dead ends: 183 [2020-10-14 18:20:33,613 INFO L226 Difference]: Without dead ends: 102 [2020-10-14 18:20:33,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 18:20:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-14 18:20:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2020-10-14 18:20:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-14 18:20:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2020-10-14 18:20:33,625 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 94 [2020-10-14 18:20:33,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:33,625 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2020-10-14 18:20:33,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-14 18:20:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2020-10-14 18:20:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 18:20:33,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:33,626 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:33,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 18:20:33,627 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:33,627 INFO L82 PathProgramCache]: Analyzing trace with hash 439454323, now seen corresponding path program 20 times [2020-10-14 18:20:33,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:33,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753189422] [2020-10-14 18:20:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:33,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:34,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 18:20:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-14 18:20:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:34,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-14 18:20:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 18:20:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:35,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:35,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:35,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:20:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:20:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 18:20:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 18:20:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:20:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 18:20:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 18:20:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:20:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:20:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:35,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:20:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:35,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:35,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:35,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:35,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:35,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:35,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:35,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 20 proven. 221 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-14 18:20:35,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753189422] [2020-10-14 18:20:35,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:35,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-14 18:20:35,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323348109] [2020-10-14 18:20:35,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-14 18:20:35,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:35,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-14 18:20:35,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-14 18:20:35,604 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 29 states. [2020-10-14 18:20:37,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:37,519 INFO L93 Difference]: Finished difference Result 108 states and 109 transitions. [2020-10-14 18:20:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 18:20:37,522 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 95 [2020-10-14 18:20:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:37,524 INFO L225 Difference]: With dead ends: 108 [2020-10-14 18:20:37,524 INFO L226 Difference]: Without dead ends: 106 [2020-10-14 18:20:37,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=120, Invalid=1772, Unknown=0, NotChecked=0, Total=1892 [2020-10-14 18:20:37,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-14 18:20:37,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2020-10-14 18:20:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-14 18:20:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 106 transitions. [2020-10-14 18:20:37,538 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 106 transitions. Word has length 95 [2020-10-14 18:20:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:37,538 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 106 transitions. [2020-10-14 18:20:37,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-14 18:20:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2020-10-14 18:20:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-14 18:20:37,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:37,540 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:37,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 18:20:37,540 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:37,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:37,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1783117752, now seen corresponding path program 21 times [2020-10-14 18:20:37,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:37,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159651801] [2020-10-14 18:20:37,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:37,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 18:20:38,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 910 [2020-10-14 18:20:38,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-14 18:20:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 18:20:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:38,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:38,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:38,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:20:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:38,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:20:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:38,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 18:20:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:38,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 18:20:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:38,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:20:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:38,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 18:20:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:38,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 18:20:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:20:38,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:38,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:20:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:38,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:38,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:20:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:38,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:38,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:38,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:38,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:38,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:38,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:38,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:20:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:39,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:39,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:39,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:39,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:20:39,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:39,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:39,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:20:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:39,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:39,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:39,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:39,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 209 proven. 66 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-14 18:20:39,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159651801] [2020-10-14 18:20:39,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:39,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-14 18:20:39,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702519772] [2020-10-14 18:20:39,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-14 18:20:39,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:39,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-14 18:20:39,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-14 18:20:39,038 INFO L87 Difference]: Start difference. First operand 105 states and 106 transitions. Second operand 28 states. [2020-10-14 18:20:39,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:39,828 INFO L93 Difference]: Finished difference Result 198 states and 201 transitions. [2020-10-14 18:20:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 18:20:39,829 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 102 [2020-10-14 18:20:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:39,831 INFO L225 Difference]: With dead ends: 198 [2020-10-14 18:20:39,831 INFO L226 Difference]: Without dead ends: 110 [2020-10-14 18:20:39,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=381, Invalid=1259, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 18:20:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-14 18:20:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2020-10-14 18:20:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-14 18:20:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 107 transitions. [2020-10-14 18:20:39,844 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 107 transitions. Word has length 102 [2020-10-14 18:20:39,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:39,845 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 107 transitions. [2020-10-14 18:20:39,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-14 18:20:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 107 transitions. [2020-10-14 18:20:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-14 18:20:39,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:39,846 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:39,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 18:20:39,846 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:39,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:39,847 INFO L82 PathProgramCache]: Analyzing trace with hash 40030361, now seen corresponding path program 22 times [2020-10-14 18:20:39,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:39,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891357551] [2020-10-14 18:20:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:39,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:40,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:40,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 18:20:40,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:40,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 979 [2020-10-14 18:20:40,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:40,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-14 18:20:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 18:20:40,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:41,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:41,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:41,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:41,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 18:20:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 18:20:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:20:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 18:20:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 18:20:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:20:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 18:20:41,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:20:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:20:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:41,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:20:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:20:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:20:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:41,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:41,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:41,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:41,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:41,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:41,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:41,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 22 proven. 265 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-14 18:20:41,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891357551] [2020-10-14 18:20:41,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:41,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-14 18:20:41,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627950201] [2020-10-14 18:20:41,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-14 18:20:41,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:41,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-14 18:20:41,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-14 18:20:41,771 INFO L87 Difference]: Start difference. First operand 106 states and 107 transitions. Second operand 31 states. [2020-10-14 18:20:43,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:43,662 INFO L93 Difference]: Finished difference Result 116 states and 117 transitions. [2020-10-14 18:20:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-14 18:20:43,664 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 103 [2020-10-14 18:20:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:43,665 INFO L225 Difference]: With dead ends: 116 [2020-10-14 18:20:43,665 INFO L226 Difference]: Without dead ends: 114 [2020-10-14 18:20:43,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=128, Invalid=2034, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 18:20:43,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-14 18:20:43,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2020-10-14 18:20:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-14 18:20:43,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 114 transitions. [2020-10-14 18:20:43,677 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 114 transitions. Word has length 103 [2020-10-14 18:20:43,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:43,677 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 114 transitions. [2020-10-14 18:20:43,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-14 18:20:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2020-10-14 18:20:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 18:20:43,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:43,678 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:43,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 18:20:43,679 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:43,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:43,679 INFO L82 PathProgramCache]: Analyzing trace with hash 380164818, now seen corresponding path program 23 times [2020-10-14 18:20:43,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:43,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079986953] [2020-10-14 18:20:43,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:43,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 18:20:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:44,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:44,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 18:20:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:44,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 18:20:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:44,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:20:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 18:20:44,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 18:20:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:44,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 18:20:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:44,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:20:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:20:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:44,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:20:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 18:20:44,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:20:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:44,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:20:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:44,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:20:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:44,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:20:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:44,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:44,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:44,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:44,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:44,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:44,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:44,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 212 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-14 18:20:44,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079986953] [2020-10-14 18:20:44,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:44,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-14 18:20:44,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595539223] [2020-10-14 18:20:44,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-14 18:20:44,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:44,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-14 18:20:44,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2020-10-14 18:20:44,984 INFO L87 Difference]: Start difference. First operand 113 states and 114 transitions. Second operand 30 states. [2020-10-14 18:20:45,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:45,821 INFO L93 Difference]: Finished difference Result 213 states and 216 transitions. [2020-10-14 18:20:45,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-14 18:20:45,821 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 110 [2020-10-14 18:20:45,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:45,823 INFO L225 Difference]: With dead ends: 213 [2020-10-14 18:20:45,823 INFO L226 Difference]: Without dead ends: 118 [2020-10-14 18:20:45,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 18:20:45,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-14 18:20:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2020-10-14 18:20:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-14 18:20:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 115 transitions. [2020-10-14 18:20:45,838 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 115 transitions. Word has length 110 [2020-10-14 18:20:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:45,838 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 115 transitions. [2020-10-14 18:20:45,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-14 18:20:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 115 transitions. [2020-10-14 18:20:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-14 18:20:45,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:45,840 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:45,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 18:20:45,840 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:45,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:45,841 INFO L82 PathProgramCache]: Analyzing trace with hash -422509901, now seen corresponding path program 24 times [2020-10-14 18:20:45,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:45,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973812057] [2020-10-14 18:20:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:45,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:46,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:46,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 18:20:46,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 904 [2020-10-14 18:20:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:46,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-14 18:20:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 18:20:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:47,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:47,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:47,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:47,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 18:20:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:47,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 18:20:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:47,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:20:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:47,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:20:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 18:20:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:20:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:47,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:20:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:47,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:20:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:20:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:47,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:20:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:20:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:47,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:20:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:47,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:47,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:47,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:47,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:47,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:47,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:47,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:47,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 24 proven. 313 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-14 18:20:47,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973812057] [2020-10-14 18:20:47,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:47,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-14 18:20:47,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776226966] [2020-10-14 18:20:47,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-14 18:20:47,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:47,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-14 18:20:47,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 18:20:47,747 INFO L87 Difference]: Start difference. First operand 114 states and 115 transitions. Second operand 33 states. [2020-10-14 18:20:49,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:49,803 INFO L93 Difference]: Finished difference Result 124 states and 125 transitions. [2020-10-14 18:20:49,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 18:20:49,804 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 111 [2020-10-14 18:20:49,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:49,805 INFO L225 Difference]: With dead ends: 124 [2020-10-14 18:20:49,806 INFO L226 Difference]: Without dead ends: 122 [2020-10-14 18:20:49,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=131, Invalid=2221, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 18:20:49,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-14 18:20:49,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2020-10-14 18:20:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-14 18:20:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2020-10-14 18:20:49,823 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 111 [2020-10-14 18:20:49,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:49,824 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2020-10-14 18:20:49,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-14 18:20:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2020-10-14 18:20:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 18:20:49,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:49,825 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:49,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 18:20:49,826 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:49,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:49,826 INFO L82 PathProgramCache]: Analyzing trace with hash -2112030856, now seen corresponding path program 25 times [2020-10-14 18:20:49,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:49,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603197109] [2020-10-14 18:20:49,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:49,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:50,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:50,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 18:20:50,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:50,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-14 18:20:50,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:50,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-14 18:20:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 18:20:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:51,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 18:20:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 18:20:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:20:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:20:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 18:20:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:20:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:20:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:20:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:20:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:20:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:20:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:20:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 18:20:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:51,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:51,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:51,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:51,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:51,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:51,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 286 proven. 91 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-14 18:20:51,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603197109] [2020-10-14 18:20:51,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:51,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-14 18:20:51,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936968419] [2020-10-14 18:20:51,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-14 18:20:51,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:51,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-14 18:20:51,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2020-10-14 18:20:51,331 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand 32 states. [2020-10-14 18:20:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:52,252 INFO L93 Difference]: Finished difference Result 228 states and 231 transitions. [2020-10-14 18:20:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-14 18:20:52,253 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 118 [2020-10-14 18:20:52,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:52,254 INFO L225 Difference]: With dead ends: 228 [2020-10-14 18:20:52,254 INFO L226 Difference]: Without dead ends: 126 [2020-10-14 18:20:52,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=499, Invalid=1663, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 18:20:52,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-14 18:20:52,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 122. [2020-10-14 18:20:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-14 18:20:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2020-10-14 18:20:52,271 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 118 [2020-10-14 18:20:52,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:52,271 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2020-10-14 18:20:52,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-14 18:20:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2020-10-14 18:20:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 18:20:52,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:52,273 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:52,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 18:20:52,273 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:52,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:52,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1733537369, now seen corresponding path program 26 times [2020-10-14 18:20:52,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:52,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485950239] [2020-10-14 18:20:52,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:52,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:53,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:53,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-14 18:20:53,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:53,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-10-14 18:20:53,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:53,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:53,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-14 18:20:53,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:53,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 18:20:53,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:54,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:54,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 18:20:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:54,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:20:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 18:20:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:20:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:20:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:20:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:20:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:20:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:20:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:20:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:20:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:20:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:20:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:54,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:54,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:54,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:54,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:54,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:54,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:54,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:54,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:54,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 26 proven. 365 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-14 18:20:54,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485950239] [2020-10-14 18:20:54,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:54,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-14 18:20:54,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835392985] [2020-10-14 18:20:54,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-14 18:20:54,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:54,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-14 18:20:54,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=1122, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 18:20:54,151 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand 35 states. [2020-10-14 18:20:56,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:56,386 INFO L93 Difference]: Finished difference Result 132 states and 133 transitions. [2020-10-14 18:20:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 18:20:56,387 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 119 [2020-10-14 18:20:56,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:56,389 INFO L225 Difference]: With dead ends: 132 [2020-10-14 18:20:56,389 INFO L226 Difference]: Without dead ends: 130 [2020-10-14 18:20:56,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=141, Invalid=2511, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 18:20:56,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-14 18:20:56,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2020-10-14 18:20:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-14 18:20:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 130 transitions. [2020-10-14 18:20:56,406 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 130 transitions. Word has length 119 [2020-10-14 18:20:56,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:56,406 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 130 transitions. [2020-10-14 18:20:56,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-14 18:20:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2020-10-14 18:20:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 18:20:56,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:56,408 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:56,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 18:20:56,408 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:56,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:56,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1873345262, now seen corresponding path program 27 times [2020-10-14 18:20:56,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:56,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793606435] [2020-10-14 18:20:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:56,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-14 18:20:57,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-14 18:20:57,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-14 18:20:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:20:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-14 18:20:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:20:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:20:57,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:20:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:20:57,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:20:57,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 18:20:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:57,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:20:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 18:20:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:20:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:20:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:20:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:20:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:20:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:20:57,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:20:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:20:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:20:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:20:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:20:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 18:20:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:57,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:20:57,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:20:57,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:20:57,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:20:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:20:57,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:20:57,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:20:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:20:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:20:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:20:57,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:20:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 329 proven. 105 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-14 18:20:57,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793606435] [2020-10-14 18:20:57,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:20:57,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-14 18:20:57,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743313079] [2020-10-14 18:20:57,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-14 18:20:57,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:20:57,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-14 18:20:57,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 18:20:57,967 INFO L87 Difference]: Start difference. First operand 129 states and 130 transitions. Second operand 34 states. [2020-10-14 18:20:59,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:20:59,047 INFO L93 Difference]: Finished difference Result 243 states and 246 transitions. [2020-10-14 18:20:59,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 18:20:59,047 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 126 [2020-10-14 18:20:59,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:20:59,049 INFO L225 Difference]: With dead ends: 243 [2020-10-14 18:20:59,049 INFO L226 Difference]: Without dead ends: 134 [2020-10-14 18:20:59,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 18:20:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-14 18:20:59,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2020-10-14 18:20:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-14 18:20:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2020-10-14 18:20:59,067 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 126 [2020-10-14 18:20:59,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:20:59,068 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2020-10-14 18:20:59,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-14 18:20:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2020-10-14 18:20:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 18:20:59,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:20:59,069 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:20:59,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 18:20:59,070 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:20:59,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:20:59,070 INFO L82 PathProgramCache]: Analyzing trace with hash -694334733, now seen corresponding path program 28 times [2020-10-14 18:20:59,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:20:59,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729882196] [2020-10-14 18:20:59,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:20:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:20:59,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:00,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 18:21:00,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1162 [2020-10-14 18:21:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:00,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-14 18:21:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-14 18:21:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:01,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 18:21:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 18:21:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:21:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:21:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:21:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:21:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:21:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 18:21:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:21:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:21:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:21:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:21:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:21:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:21:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:01,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:01,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:01,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:01,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:01,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:01,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:01,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 28 proven. 421 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-14 18:21:01,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729882196] [2020-10-14 18:21:01,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:01,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-14 18:21:01,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957000009] [2020-10-14 18:21:01,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-14 18:21:01,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:01,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-14 18:21:01,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 18:21:01,412 INFO L87 Difference]: Start difference. First operand 130 states and 131 transitions. Second operand 37 states. [2020-10-14 18:21:04,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:04,032 INFO L93 Difference]: Finished difference Result 140 states and 141 transitions. [2020-10-14 18:21:04,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-14 18:21:04,032 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 127 [2020-10-14 18:21:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:04,034 INFO L225 Difference]: With dead ends: 140 [2020-10-14 18:21:04,034 INFO L226 Difference]: Without dead ends: 138 [2020-10-14 18:21:04,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=152, Invalid=2928, Unknown=0, NotChecked=0, Total=3080 [2020-10-14 18:21:04,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-14 18:21:04,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 137. [2020-10-14 18:21:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-14 18:21:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 138 transitions. [2020-10-14 18:21:04,052 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 138 transitions. Word has length 127 [2020-10-14 18:21:04,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:04,053 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 138 transitions. [2020-10-14 18:21:04,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-14 18:21:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2020-10-14 18:21:04,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-14 18:21:04,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:04,054 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:04,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 18:21:04,055 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:04,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:04,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1044715720, now seen corresponding path program 29 times [2020-10-14 18:21:04,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:04,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805427862] [2020-10-14 18:21:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:04,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 18:21:05,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 970 [2020-10-14 18:21:05,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 18:21:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 18:21:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:05,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 18:21:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 18:21:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:21:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:21:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:21:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:21:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:21:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 18:21:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:21:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:21:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:21:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:21:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:21:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:21:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 18:21:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:05,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 375 proven. 120 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-14 18:21:05,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805427862] [2020-10-14 18:21:05,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:05,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-14 18:21:05,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77922543] [2020-10-14 18:21:05,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-14 18:21:05,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:05,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-14 18:21:05,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 18:21:05,805 INFO L87 Difference]: Start difference. First operand 137 states and 138 transitions. Second operand 36 states. [2020-10-14 18:21:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:06,920 INFO L93 Difference]: Finished difference Result 258 states and 261 transitions. [2020-10-14 18:21:06,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-14 18:21:06,921 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 134 [2020-10-14 18:21:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:06,923 INFO L225 Difference]: With dead ends: 258 [2020-10-14 18:21:06,923 INFO L226 Difference]: Without dead ends: 142 [2020-10-14 18:21:06,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=633, Invalid=2123, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 18:21:06,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-14 18:21:06,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2020-10-14 18:21:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-14 18:21:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 139 transitions. [2020-10-14 18:21:06,936 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 139 transitions. Word has length 134 [2020-10-14 18:21:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:06,937 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 139 transitions. [2020-10-14 18:21:06,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-14 18:21:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 139 transitions. [2020-10-14 18:21:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-14 18:21:06,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:06,938 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:06,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 18:21:06,938 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:06,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:06,938 INFO L82 PathProgramCache]: Analyzing trace with hash 605142041, now seen corresponding path program 30 times [2020-10-14 18:21:06,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:06,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182634720] [2020-10-14 18:21:06,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:06,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:08,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:08,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-14 18:21:08,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:08,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-10-14 18:21:08,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:08,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-14 18:21:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-14 18:21:08,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:09,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:09,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 18:21:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:21:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:21:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:09,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:21:09,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:21:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:21:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:21:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:21:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:09,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:21:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:21:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:21:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:21:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:21:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:21:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:21:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:21:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:09,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:09,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:09,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:09,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:09,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:09,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:09,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:09,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 30 proven. 481 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-14 18:21:09,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182634720] [2020-10-14 18:21:09,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:09,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-14 18:21:09,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213893260] [2020-10-14 18:21:09,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-14 18:21:09,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:09,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-14 18:21:09,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1406, Unknown=0, NotChecked=0, Total=1482 [2020-10-14 18:21:09,716 INFO L87 Difference]: Start difference. First operand 138 states and 139 transitions. Second operand 39 states. [2020-10-14 18:21:12,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:12,792 INFO L93 Difference]: Finished difference Result 148 states and 149 transitions. [2020-10-14 18:21:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 18:21:12,793 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 135 [2020-10-14 18:21:12,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:12,795 INFO L225 Difference]: With dead ends: 148 [2020-10-14 18:21:12,796 INFO L226 Difference]: Without dead ends: 146 [2020-10-14 18:21:12,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=157, Invalid=3149, Unknown=0, NotChecked=0, Total=3306 [2020-10-14 18:21:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-14 18:21:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2020-10-14 18:21:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-14 18:21:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 146 transitions. [2020-10-14 18:21:12,813 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 146 transitions. Word has length 135 [2020-10-14 18:21:12,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:12,814 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 146 transitions. [2020-10-14 18:21:12,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-14 18:21:12,814 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2020-10-14 18:21:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-14 18:21:12,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:12,815 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:12,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 18:21:12,816 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash -100532398, now seen corresponding path program 31 times [2020-10-14 18:21:12,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:12,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436016207] [2020-10-14 18:21:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:12,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-14 18:21:14,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1238 [2020-10-14 18:21:14,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-14 18:21:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-14 18:21:14,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:14,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:14,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:14,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 18:21:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:21:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:21:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:21:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:21:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:21:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:21:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:21:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:21:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:21:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:21:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:21:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:21:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:21:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:21:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 18:21:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:14,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:14,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 378 proven. 182 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-14 18:21:14,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436016207] [2020-10-14 18:21:14,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:14,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-14 18:21:14,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896015656] [2020-10-14 18:21:14,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-14 18:21:14,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:14,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-14 18:21:14,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1059, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 18:21:14,838 INFO L87 Difference]: Start difference. First operand 145 states and 146 transitions. Second operand 38 states. [2020-10-14 18:21:16,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:16,016 INFO L93 Difference]: Finished difference Result 273 states and 276 transitions. [2020-10-14 18:21:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-14 18:21:16,018 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 142 [2020-10-14 18:21:16,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:16,020 INFO L225 Difference]: With dead ends: 273 [2020-10-14 18:21:16,020 INFO L226 Difference]: Without dead ends: 150 [2020-10-14 18:21:16,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=671, Invalid=2299, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 18:21:16,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-14 18:21:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2020-10-14 18:21:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-14 18:21:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 147 transitions. [2020-10-14 18:21:16,052 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 147 transitions. Word has length 142 [2020-10-14 18:21:16,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:16,053 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 147 transitions. [2020-10-14 18:21:16,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-14 18:21:16,053 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 147 transitions. [2020-10-14 18:21:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-14 18:21:16,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:16,055 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:16,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-14 18:21:16,055 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:16,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:16,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1570086093, now seen corresponding path program 32 times [2020-10-14 18:21:16,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:16,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513765918] [2020-10-14 18:21:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:16,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:17,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:17,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 18:21:17,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:17,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1557 [2020-10-14 18:21:17,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:17,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-14 18:21:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-14 18:21:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:21:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:21:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 18:21:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:21:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:21:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:21:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:21:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:21:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:21:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:21:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:21:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:21:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:19,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:21:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 18:21:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:21:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:19,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:21:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:19,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:19,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:19,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:19,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:19,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 32 proven. 545 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-14 18:21:19,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513765918] [2020-10-14 18:21:19,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:19,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-14 18:21:19,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403463397] [2020-10-14 18:21:19,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-14 18:21:19,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:19,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-14 18:21:19,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1560, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 18:21:19,247 INFO L87 Difference]: Start difference. First operand 146 states and 147 transitions. Second operand 41 states. [2020-10-14 18:21:22,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:22,581 INFO L93 Difference]: Finished difference Result 156 states and 157 transitions. [2020-10-14 18:21:22,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-14 18:21:22,582 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 143 [2020-10-14 18:21:22,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:22,584 INFO L225 Difference]: With dead ends: 156 [2020-10-14 18:21:22,584 INFO L226 Difference]: Without dead ends: 154 [2020-10-14 18:21:22,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=165, Invalid=3495, Unknown=0, NotChecked=0, Total=3660 [2020-10-14 18:21:22,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-14 18:21:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2020-10-14 18:21:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-14 18:21:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 154 transitions. [2020-10-14 18:21:22,604 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 154 transitions. Word has length 143 [2020-10-14 18:21:22,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:22,604 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 154 transitions. [2020-10-14 18:21:22,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-14 18:21:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2020-10-14 18:21:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-14 18:21:22,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:22,606 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:22,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-14 18:21:22,606 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:22,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1714551048, now seen corresponding path program 33 times [2020-10-14 18:21:22,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:22,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971459868] [2020-10-14 18:21:22,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:23,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:23,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-14 18:21:23,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:23,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1366 [2020-10-14 18:21:23,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:23,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-14 18:21:23,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:23,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 18:21:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:24,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:24,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:21:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:21:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 18:21:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:21:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:21:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:21:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:21:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:21:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:21:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:21:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:21:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:21:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:21:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 18:21:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:21:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:24,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:21:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:24,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 18:21:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:24,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:24,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:24,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:24,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:24,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:24,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:24,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 427 proven. 202 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-14 18:21:24,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971459868] [2020-10-14 18:21:24,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:24,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-14 18:21:24,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176548307] [2020-10-14 18:21:24,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-14 18:21:24,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:24,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-14 18:21:24,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1175, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 18:21:24,831 INFO L87 Difference]: Start difference. First operand 153 states and 154 transitions. Second operand 40 states. [2020-10-14 18:21:26,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:26,172 INFO L93 Difference]: Finished difference Result 288 states and 291 transitions. [2020-10-14 18:21:26,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-14 18:21:26,173 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 150 [2020-10-14 18:21:26,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:26,174 INFO L225 Difference]: With dead ends: 288 [2020-10-14 18:21:26,175 INFO L226 Difference]: Without dead ends: 158 [2020-10-14 18:21:26,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=746, Invalid=2560, Unknown=0, NotChecked=0, Total=3306 [2020-10-14 18:21:26,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-14 18:21:26,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2020-10-14 18:21:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-14 18:21:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 155 transitions. [2020-10-14 18:21:26,198 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 155 transitions. Word has length 150 [2020-10-14 18:21:26,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:26,199 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 155 transitions. [2020-10-14 18:21:26,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-14 18:21:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 155 transitions. [2020-10-14 18:21:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 18:21:26,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:26,200 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:26,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-14 18:21:26,200 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:26,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:26,201 INFO L82 PathProgramCache]: Analyzing trace with hash 558430681, now seen corresponding path program 34 times [2020-10-14 18:21:26,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:26,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307784731] [2020-10-14 18:21:26,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:26,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:27,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1486 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 18:21:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:29,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:29,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:21:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 18:21:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 18:21:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:21:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 18:21:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 18:21:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:21:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:21:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:21:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:21:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:29,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:21:29,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 18:21:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:21:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 18:21:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 18:21:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 18:21:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 18:21:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 18:21:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:29,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:29,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:29,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 34 proven. 613 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-14 18:21:29,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307784731] [2020-10-14 18:21:29,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:29,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-14 18:21:29,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414002111] [2020-10-14 18:21:29,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-14 18:21:29,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:29,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-14 18:21:29,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 18:21:29,406 INFO L87 Difference]: Start difference. First operand 154 states and 155 transitions. Second operand 43 states. [2020-10-14 18:21:32,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:32,934 INFO L93 Difference]: Finished difference Result 164 states and 165 transitions. [2020-10-14 18:21:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-14 18:21:32,935 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 151 [2020-10-14 18:21:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:32,937 INFO L225 Difference]: With dead ends: 164 [2020-10-14 18:21:32,937 INFO L226 Difference]: Without dead ends: 162 [2020-10-14 18:21:32,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=176, Invalid=3984, Unknown=0, NotChecked=0, Total=4160 [2020-10-14 18:21:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-14 18:21:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 161. [2020-10-14 18:21:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-14 18:21:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 162 transitions. [2020-10-14 18:21:32,959 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 162 transitions. Word has length 151 [2020-10-14 18:21:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:32,959 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 162 transitions. [2020-10-14 18:21:32,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-14 18:21:32,960 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2020-10-14 18:21:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-14 18:21:32,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:32,961 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:32,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-14 18:21:32,961 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:32,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:32,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1854027374, now seen corresponding path program 35 times [2020-10-14 18:21:32,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:32,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8855258] [2020-10-14 18:21:32,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:33,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:34,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:34,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-14 18:21:34,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:34,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1442 [2020-10-14 18:21:34,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:34,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:34,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-14 18:21:34,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:34,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 18:21:34,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:35,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:21:35,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:35,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 18:21:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 18:21:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 18:21:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:35,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:21:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 18:21:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 18:21:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 18:21:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 18:21:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-14 18:21:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:21:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 18:21:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:21:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 18:21:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 18:21:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 18:21:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 18:21:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 18:21:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 18:21:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:35,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:35,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:35,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:35,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:35,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 531 proven. 171 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-14 18:21:35,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8855258] [2020-10-14 18:21:35,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:35,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-14 18:21:35,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944283831] [2020-10-14 18:21:35,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-14 18:21:35,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:35,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-14 18:21:35,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=1299, Unknown=0, NotChecked=0, Total=1722 [2020-10-14 18:21:35,374 INFO L87 Difference]: Start difference. First operand 161 states and 162 transitions. Second operand 42 states. [2020-10-14 18:21:36,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:36,819 INFO L93 Difference]: Finished difference Result 303 states and 306 transitions. [2020-10-14 18:21:36,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-14 18:21:36,820 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 158 [2020-10-14 18:21:36,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:36,822 INFO L225 Difference]: With dead ends: 303 [2020-10-14 18:21:36,822 INFO L226 Difference]: Without dead ends: 166 [2020-10-14 18:21:36,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=864, Invalid=2918, Unknown=0, NotChecked=0, Total=3782 [2020-10-14 18:21:36,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-14 18:21:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2020-10-14 18:21:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-14 18:21:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 163 transitions. [2020-10-14 18:21:36,841 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 163 transitions. Word has length 158 [2020-10-14 18:21:36,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:36,842 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 163 transitions. [2020-10-14 18:21:36,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-14 18:21:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 163 transitions. [2020-10-14 18:21:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 18:21:36,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:36,843 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:36,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-14 18:21:36,843 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:36,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:36,843 INFO L82 PathProgramCache]: Analyzing trace with hash 805747, now seen corresponding path program 36 times [2020-10-14 18:21:36,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:36,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1931784502] [2020-10-14 18:21:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:36,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:38,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-14 18:21:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:38,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1544 [2020-10-14 18:21:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:38,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-14 18:21:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-14 18:21:38,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:40,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 18:21:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:21:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 18:21:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:40,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 18:21:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:21:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:21:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:21:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:21:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:40,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:21:40,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:21:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:21:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:21:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 18:21:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:21:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:40,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 18:21:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:40,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 18:21:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:21:40,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 18:21:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:40,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 18:21:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:40,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 18:21:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:40,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:40,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:40,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:40,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:40,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:40,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:40,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:40,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 36 proven. 685 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-14 18:21:40,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1931784502] [2020-10-14 18:21:40,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:40,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-14 18:21:40,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389384638] [2020-10-14 18:21:40,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-14 18:21:40,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:40,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-14 18:21:40,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 18:21:40,558 INFO L87 Difference]: Start difference. First operand 162 states and 163 transitions. Second operand 45 states. [2020-10-14 18:21:44,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:44,879 INFO L93 Difference]: Finished difference Result 172 states and 173 transitions. [2020-10-14 18:21:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-14 18:21:44,881 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 159 [2020-10-14 18:21:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:44,882 INFO L225 Difference]: With dead ends: 172 [2020-10-14 18:21:44,882 INFO L226 Difference]: Without dead ends: 170 [2020-10-14 18:21:44,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=176, Invalid=4114, Unknown=0, NotChecked=0, Total=4290 [2020-10-14 18:21:44,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-14 18:21:44,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2020-10-14 18:21:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-14 18:21:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 170 transitions. [2020-10-14 18:21:44,905 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 170 transitions. Word has length 159 [2020-10-14 18:21:44,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:44,906 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 170 transitions. [2020-10-14 18:21:44,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-14 18:21:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2020-10-14 18:21:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-14 18:21:44,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:44,907 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:44,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-14 18:21:44,908 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:44,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:44,908 INFO L82 PathProgramCache]: Analyzing trace with hash -570272072, now seen corresponding path program 37 times [2020-10-14 18:21:44,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:44,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984136617] [2020-10-14 18:21:44,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:44,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:46,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:46,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-14 18:21:46,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:46,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1615 [2020-10-14 18:21:46,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:46,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:46,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-14 18:21:46,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:46,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-14 18:21:46,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:47,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 18:21:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 18:21:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 18:21:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 18:21:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:21:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 18:21:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:21:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 18:21:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:21:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 18:21:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 18:21:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-14 18:21:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:21:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:47,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 18:21:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 18:21:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 18:21:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 18:21:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-14 18:21:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 18:21:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:47,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:47,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:47,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:47,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:47,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:47,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 589 proven. 190 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-14 18:21:47,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984136617] [2020-10-14 18:21:47,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:47,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-14 18:21:47,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888595516] [2020-10-14 18:21:47,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-14 18:21:47,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:47,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-14 18:21:47,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1427, Unknown=0, NotChecked=0, Total=1892 [2020-10-14 18:21:47,649 INFO L87 Difference]: Start difference. First operand 169 states and 170 transitions. Second operand 44 states. [2020-10-14 18:21:49,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:49,317 INFO L93 Difference]: Finished difference Result 318 states and 321 transitions. [2020-10-14 18:21:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-14 18:21:49,319 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 166 [2020-10-14 18:21:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:49,321 INFO L225 Difference]: With dead ends: 318 [2020-10-14 18:21:49,321 INFO L226 Difference]: Without dead ends: 174 [2020-10-14 18:21:49,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=949, Invalid=3211, Unknown=0, NotChecked=0, Total=4160 [2020-10-14 18:21:49,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-14 18:21:49,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 170. [2020-10-14 18:21:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-14 18:21:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 171 transitions. [2020-10-14 18:21:49,344 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 171 transitions. Word has length 166 [2020-10-14 18:21:49,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:49,344 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 171 transitions. [2020-10-14 18:21:49,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-14 18:21:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 171 transitions. [2020-10-14 18:21:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-14 18:21:49,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:49,346 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:49,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-14 18:21:49,346 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:49,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:49,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1432000615, now seen corresponding path program 38 times [2020-10-14 18:21:49,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:49,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813829494] [2020-10-14 18:21:49,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:49,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:51,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1942 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-14 18:21:51,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:21:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:21:53,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:21:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:21:53,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 18:21:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:21:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:21:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 18:21:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:21:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:21:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:21:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:21:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:21:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:21:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:21:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 18:21:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 18:21:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:21:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:21:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 18:21:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 18:21:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 18:21:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 18:21:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-14 18:21:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:53,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:21:53,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:21:53,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:21:53,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:21:53,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:21:53,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:21:53,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:21:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:21:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:21:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:21:53,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:21:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 38 proven. 761 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-14 18:21:53,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813829494] [2020-10-14 18:21:53,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:21:53,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-14 18:21:53,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119153874] [2020-10-14 18:21:53,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-14 18:21:53,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:21:53,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-14 18:21:53,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 18:21:53,540 INFO L87 Difference]: Start difference. First operand 170 states and 171 transitions. Second operand 47 states. [2020-10-14 18:21:58,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:21:58,353 INFO L93 Difference]: Finished difference Result 180 states and 181 transitions. [2020-10-14 18:21:58,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-14 18:21:58,355 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 167 [2020-10-14 18:21:58,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:21:58,357 INFO L225 Difference]: With dead ends: 180 [2020-10-14 18:21:58,357 INFO L226 Difference]: Without dead ends: 178 [2020-10-14 18:21:58,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=192, Invalid=4778, Unknown=0, NotChecked=0, Total=4970 [2020-10-14 18:21:58,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-14 18:21:58,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 177. [2020-10-14 18:21:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-14 18:21:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 178 transitions. [2020-10-14 18:21:58,379 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 178 transitions. Word has length 167 [2020-10-14 18:21:58,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:21:58,379 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 178 transitions. [2020-10-14 18:21:58,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-14 18:21:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2020-10-14 18:21:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-14 18:21:58,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:21:58,381 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:21:58,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-14 18:21:58,381 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:21:58,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:21:58,382 INFO L82 PathProgramCache]: Analyzing trace with hash -778148910, now seen corresponding path program 39 times [2020-10-14 18:21:58,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:21:58,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343514026] [2020-10-14 18:21:58,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:21:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:21:58,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:00,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:00,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-14 18:22:00,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2112 [2020-10-14 18:22:00,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:00,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-14 18:22:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:22:00,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-14 18:22:00,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:22:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:22:01,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:22:01,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:22:01,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:22:01,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 18:22:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 18:22:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 18:22:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 18:22:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 18:22:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:22:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 18:22:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:22:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 18:22:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 18:22:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 18:22:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:22:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-14 18:22:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 18:22:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:22:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 18:22:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 18:22:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 18:22:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 18:22:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-14 18:22:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-14 18:22:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:01,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:01,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:01,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:01,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:01,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:01,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:01,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 650 proven. 210 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-14 18:22:01,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343514026] [2020-10-14 18:22:01,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:22:01,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-14 18:22:01,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455819903] [2020-10-14 18:22:01,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-14 18:22:01,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:22:01,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-14 18:22:01,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=1561, Unknown=0, NotChecked=0, Total=2070 [2020-10-14 18:22:01,816 INFO L87 Difference]: Start difference. First operand 177 states and 178 transitions. Second operand 46 states. [2020-10-14 18:22:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:22:03,862 INFO L93 Difference]: Finished difference Result 333 states and 336 transitions. [2020-10-14 18:22:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-14 18:22:03,864 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 174 [2020-10-14 18:22:03,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:22:03,865 INFO L225 Difference]: With dead ends: 333 [2020-10-14 18:22:03,865 INFO L226 Difference]: Without dead ends: 182 [2020-10-14 18:22:03,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1038, Invalid=3518, Unknown=0, NotChecked=0, Total=4556 [2020-10-14 18:22:03,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-14 18:22:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2020-10-14 18:22:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-14 18:22:03,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 179 transitions. [2020-10-14 18:22:03,895 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 179 transitions. Word has length 174 [2020-10-14 18:22:03,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:22:03,895 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 179 transitions. [2020-10-14 18:22:03,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-14 18:22:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 179 transitions. [2020-10-14 18:22:03,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-14 18:22:03,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:22:03,897 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:22:03,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-14 18:22:03,898 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:22:03,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:22:03,898 INFO L82 PathProgramCache]: Analyzing trace with hash -497613901, now seen corresponding path program 40 times [2020-10-14 18:22:03,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:22:03,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53261260] [2020-10-14 18:22:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:22:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:04,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:07,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3132 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-14 18:22:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:22:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:22:09,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:09,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:22:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:22:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:22:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 18:22:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:09,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:22:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:09,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:22:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:22:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:22:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:09,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:22:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:09,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:22:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:09,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:22:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:09,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:22:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:09,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:09,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:09,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:09,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:09,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:22:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:10,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:22:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:10,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 18:22:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 18:22:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:10,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:22:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:10,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 18:22:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:22:10,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 18:22:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:10,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 18:22:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:10,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 18:22:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:10,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-14 18:22:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:10,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:10,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:10,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:10,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 40 proven. 841 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-14 18:22:10,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53261260] [2020-10-14 18:22:10,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:22:10,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-14 18:22:10,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925996676] [2020-10-14 18:22:10,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-14 18:22:10,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:22:10,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-14 18:22:10,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 18:22:10,114 INFO L87 Difference]: Start difference. First operand 178 states and 179 transitions. Second operand 49 states. [2020-10-14 18:22:16,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:22:16,266 INFO L93 Difference]: Finished difference Result 188 states and 189 transitions. [2020-10-14 18:22:16,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-14 18:22:16,267 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 175 [2020-10-14 18:22:16,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:22:16,269 INFO L225 Difference]: With dead ends: 188 [2020-10-14 18:22:16,269 INFO L226 Difference]: Without dead ends: 186 [2020-10-14 18:22:16,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=195, Invalid=5061, Unknown=0, NotChecked=0, Total=5256 [2020-10-14 18:22:16,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-14 18:22:16,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 185. [2020-10-14 18:22:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-14 18:22:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 186 transitions. [2020-10-14 18:22:16,298 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 186 transitions. Word has length 175 [2020-10-14 18:22:16,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:22:16,298 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 186 transitions. [2020-10-14 18:22:16,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-14 18:22:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 186 transitions. [2020-10-14 18:22:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-14 18:22:16,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:22:16,300 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:22:16,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-14 18:22:16,300 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:22:16,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:22:16,301 INFO L82 PathProgramCache]: Analyzing trace with hash -2063346056, now seen corresponding path program 41 times [2020-10-14 18:22:16,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:22:16,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161962845] [2020-10-14 18:22:16,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:22:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:16,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:18,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:18,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-14 18:22:18,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2532 [2020-10-14 18:22:18,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:18,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-14 18:22:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:22:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-14 18:22:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:22:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:22:20,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 18:22:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 18:22:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 18:22:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 18:22:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:20,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:22:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 18:22:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:20,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:22:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 18:22:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 18:22:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 18:22:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 18:22:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 18:22:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-14 18:22:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-14 18:22:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:22:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 18:22:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 18:22:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:22:20,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 18:22:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 18:22:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-14 18:22:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 18:22:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:20,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:20,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:20,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:20,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 714 proven. 231 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-14 18:22:20,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161962845] [2020-10-14 18:22:20,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:22:20,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-14 18:22:20,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658816982] [2020-10-14 18:22:20,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-14 18:22:20,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:22:20,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-14 18:22:20,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2020-10-14 18:22:20,467 INFO L87 Difference]: Start difference. First operand 185 states and 186 transitions. Second operand 48 states. [2020-10-14 18:22:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:22:22,894 INFO L93 Difference]: Finished difference Result 348 states and 351 transitions. [2020-10-14 18:22:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-14 18:22:22,895 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 182 [2020-10-14 18:22:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:22:22,897 INFO L225 Difference]: With dead ends: 348 [2020-10-14 18:22:22,897 INFO L226 Difference]: Without dead ends: 190 [2020-10-14 18:22:22,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1131, Invalid=3839, Unknown=0, NotChecked=0, Total=4970 [2020-10-14 18:22:22,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-14 18:22:22,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 186. [2020-10-14 18:22:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-14 18:22:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 187 transitions. [2020-10-14 18:22:22,930 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 187 transitions. Word has length 182 [2020-10-14 18:22:22,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:22:22,930 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 187 transitions. [2020-10-14 18:22:22,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-14 18:22:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 187 transitions. [2020-10-14 18:22:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 18:22:22,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:22:22,932 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:22:22,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-14 18:22:22,932 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:22:22,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:22:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash 785581401, now seen corresponding path program 42 times [2020-10-14 18:22:22,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:22:22,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845951123] [2020-10-14 18:22:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:22:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:23,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:26,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:26,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-14 18:22:26,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:26,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3138 [2020-10-14 18:22:26,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:26,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-14 18:22:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:22:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-14 18:22:26,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:22:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:22:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:22:29,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 18:22:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:22:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:22:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:22:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:22:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:22:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 18:22:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:22:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:29,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:22:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:22:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:22:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:22:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:22:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 18:22:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 18:22:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:22:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 18:22:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 18:22:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-14 18:22:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 18:22:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-14 18:22:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:29,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:29,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:29,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:29,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:29,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 42 proven. 925 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-14 18:22:29,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845951123] [2020-10-14 18:22:29,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:22:29,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-14 18:22:29,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443120995] [2020-10-14 18:22:29,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-14 18:22:29,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:22:29,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-14 18:22:29,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 18:22:29,574 INFO L87 Difference]: Start difference. First operand 186 states and 187 transitions. Second operand 51 states. [2020-10-14 18:22:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:22:37,586 INFO L93 Difference]: Finished difference Result 196 states and 197 transitions. [2020-10-14 18:22:37,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-14 18:22:37,588 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 183 [2020-10-14 18:22:37,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:22:37,590 INFO L225 Difference]: With dead ends: 196 [2020-10-14 18:22:37,590 INFO L226 Difference]: Without dead ends: 194 [2020-10-14 18:22:37,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=203, Invalid=5497, Unknown=0, NotChecked=0, Total=5700 [2020-10-14 18:22:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-14 18:22:37,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 193. [2020-10-14 18:22:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-14 18:22:37,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 194 transitions. [2020-10-14 18:22:37,625 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 194 transitions. Word has length 183 [2020-10-14 18:22:37,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:22:37,625 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 194 transitions. [2020-10-14 18:22:37,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-14 18:22:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2020-10-14 18:22:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-14 18:22:37,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:22:37,627 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:22:37,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-14 18:22:37,628 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:22:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:22:37,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1304965614, now seen corresponding path program 43 times [2020-10-14 18:22:37,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:22:37,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862010939] [2020-10-14 18:22:37,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:22:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:37,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:41,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:41,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-14 18:22:41,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:41,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3830 [2020-10-14 18:22:41,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:41,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-14 18:22:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:22:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-14 18:22:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:22:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:22:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 18:22:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:22:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 18:22:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:22:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 18:22:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 18:22:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 18:22:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:22:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 18:22:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 18:22:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 18:22:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 18:22:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 18:22:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 18:22:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 18:22:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:22:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 18:22:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 18:22:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:43,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:22:43,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-14 18:22:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 18:22:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:43,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-14 18:22:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:43,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-14 18:22:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:43,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:43,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:43,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:43,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:43,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 781 proven. 253 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-14 18:22:43,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862010939] [2020-10-14 18:22:43,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:22:43,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-14 18:22:43,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172072135] [2020-10-14 18:22:43,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-14 18:22:43,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:22:43,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-14 18:22:43,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=1847, Unknown=0, NotChecked=0, Total=2450 [2020-10-14 18:22:43,626 INFO L87 Difference]: Start difference. First operand 193 states and 194 transitions. Second operand 50 states. [2020-10-14 18:22:46,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:22:46,830 INFO L93 Difference]: Finished difference Result 363 states and 366 transitions. [2020-10-14 18:22:46,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-14 18:22:46,833 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 190 [2020-10-14 18:22:46,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:22:46,835 INFO L225 Difference]: With dead ends: 363 [2020-10-14 18:22:46,835 INFO L226 Difference]: Without dead ends: 198 [2020-10-14 18:22:46,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1228, Invalid=4174, Unknown=0, NotChecked=0, Total=5402 [2020-10-14 18:22:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-14 18:22:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2020-10-14 18:22:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-14 18:22:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 195 transitions. [2020-10-14 18:22:46,870 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 195 transitions. Word has length 190 [2020-10-14 18:22:46,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:22:46,870 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 195 transitions. [2020-10-14 18:22:46,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-14 18:22:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 195 transitions. [2020-10-14 18:22:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-14 18:22:46,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:22:46,872 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:22:46,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-14 18:22:46,873 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:22:46,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:22:46,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1189180429, now seen corresponding path program 44 times [2020-10-14 18:22:46,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:22:46,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613556902] [2020-10-14 18:22:46,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:22:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:50,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:50,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 18:22:50,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3736 [2020-10-14 18:22:50,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:50,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-14 18:22:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:22:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-14 18:22:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:22:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:22:54,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:22:54,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:22:54,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:22:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:22:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:54,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:22:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:22:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:54,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:22:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:22:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:22:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:22:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:22:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:22:54,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:22:54,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:22:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:54,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:22:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:54,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:22:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:54,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:22:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:22:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 18:22:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 18:22:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:22:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 18:22:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:22:54,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 18:22:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-14 18:22:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 18:22:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-14 18:22:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:22:54,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:22:54,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:22:54,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:22:54,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:22:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 44 proven. 1013 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-14 18:22:54,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613556902] [2020-10-14 18:22:54,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:22:54,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-14 18:22:54,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550731221] [2020-10-14 18:22:54,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-14 18:22:54,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:22:54,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-14 18:22:54,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-14 18:22:54,755 INFO L87 Difference]: Start difference. First operand 194 states and 195 transitions. Second operand 53 states. [2020-10-14 18:23:04,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:23:04,388 INFO L93 Difference]: Finished difference Result 204 states and 205 transitions. [2020-10-14 18:23:04,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-14 18:23:04,389 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 191 [2020-10-14 18:23:04,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:23:04,391 INFO L225 Difference]: With dead ends: 204 [2020-10-14 18:23:04,391 INFO L226 Difference]: Without dead ends: 202 [2020-10-14 18:23:04,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=216, Invalid=6104, Unknown=0, NotChecked=0, Total=6320 [2020-10-14 18:23:04,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-14 18:23:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 201. [2020-10-14 18:23:04,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-14 18:23:04,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 202 transitions. [2020-10-14 18:23:04,414 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 202 transitions. Word has length 191 [2020-10-14 18:23:04,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:23:04,415 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 202 transitions. [2020-10-14 18:23:04,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-14 18:23:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 202 transitions. [2020-10-14 18:23:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-14 18:23:04,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:23:04,416 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:23:04,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-14 18:23:04,416 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:23:04,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:23:04,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1753122360, now seen corresponding path program 45 times [2020-10-14 18:23:04,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:23:04,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416873056] [2020-10-14 18:23:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:23:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:04,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:07,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:07,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-14 18:23:07,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:07,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3038 [2020-10-14 18:23:07,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:07,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:07,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-14 18:23:07,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:23:07,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-14 18:23:07,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:23:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:23:09,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:09,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:09,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:23:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:23:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:23:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:09,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:09,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:09,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:09,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 18:23:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:09,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:09,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:09,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:09,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:09,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:09,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:09,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:23:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:09,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:09,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:09,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 18:23:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:09,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:09,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:09,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:09,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:09,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:09,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:23:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 18:23:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:09,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:09,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:23:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 18:23:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:09,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:09,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:23:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:09,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:09,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 18:23:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 18:23:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:23:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 18:23:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:10,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:23:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:10,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 18:23:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 18:23:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 18:23:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:10,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 18:23:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:10,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 18:23:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:23:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 18:23:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-14 18:23:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-14 18:23:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 18:23:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:10,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-14 18:23:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 18:23:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:10,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:10,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:10,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:10,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:10,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:10,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:10,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:10,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:10,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 851 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-14 18:23:10,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416873056] [2020-10-14 18:23:10,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:23:10,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-14 18:23:10,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88434397] [2020-10-14 18:23:10,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-14 18:23:10,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:23:10,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-14 18:23:10,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=1999, Unknown=0, NotChecked=0, Total=2652 [2020-10-14 18:23:10,134 INFO L87 Difference]: Start difference. First operand 201 states and 202 transitions. Second operand 52 states. [2020-10-14 18:23:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:23:14,142 INFO L93 Difference]: Finished difference Result 378 states and 381 transitions. [2020-10-14 18:23:14,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-14 18:23:14,145 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 198 [2020-10-14 18:23:14,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:23:14,148 INFO L225 Difference]: With dead ends: 378 [2020-10-14 18:23:14,148 INFO L226 Difference]: Without dead ends: 206 [2020-10-14 18:23:14,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1329, Invalid=4523, Unknown=0, NotChecked=0, Total=5852 [2020-10-14 18:23:14,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-14 18:23:14,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 202. [2020-10-14 18:23:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-14 18:23:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 203 transitions. [2020-10-14 18:23:14,184 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 203 transitions. Word has length 198 [2020-10-14 18:23:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:23:14,185 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 203 transitions. [2020-10-14 18:23:14,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-14 18:23:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 203 transitions. [2020-10-14 18:23:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 18:23:14,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:23:14,186 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:23:14,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-14 18:23:14,187 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:23:14,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:23:14,187 INFO L82 PathProgramCache]: Analyzing trace with hash -8531175, now seen corresponding path program 46 times [2020-10-14 18:23:14,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:23:14,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056151560] [2020-10-14 18:23:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:23:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:14,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:17,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:17,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 18:23:17,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:17,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3517 [2020-10-14 18:23:17,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:17,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:17,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-14 18:23:17,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:23:17,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-14 18:23:17,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:23:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:23:22,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:22,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:23:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:23:22,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:23:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 18:23:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:23:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:23:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:23:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:23:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:23:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:23:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:23:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:23:22,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:23:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:22,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:23:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:22,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:23:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:22,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 18:23:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:23:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:23:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:22,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 18:23:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:22,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:23:22,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-14 18:23:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 18:23:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:23:22,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 18:23:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:23:22,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 18:23:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 18:23:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 18:23:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-14 18:23:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:22,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:22,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:22,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:22,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 46 proven. 1105 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-14 18:23:22,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056151560] [2020-10-14 18:23:22,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:23:22,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-14 18:23:22,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016091399] [2020-10-14 18:23:22,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-14 18:23:22,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:23:22,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-14 18:23:22,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-14 18:23:22,462 INFO L87 Difference]: Start difference. First operand 202 states and 203 transitions. Second operand 55 states. [2020-10-14 18:23:33,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:23:33,640 INFO L93 Difference]: Finished difference Result 212 states and 213 transitions. [2020-10-14 18:23:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-14 18:23:33,644 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 199 [2020-10-14 18:23:33,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:23:33,647 INFO L225 Difference]: With dead ends: 212 [2020-10-14 18:23:33,647 INFO L226 Difference]: Without dead ends: 210 [2020-10-14 18:23:33,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=224, Invalid=6582, Unknown=0, NotChecked=0, Total=6806 [2020-10-14 18:23:33,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-10-14 18:23:33,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 209. [2020-10-14 18:23:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-10-14 18:23:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 210 transitions. [2020-10-14 18:23:33,677 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 210 transitions. Word has length 199 [2020-10-14 18:23:33,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:23:33,677 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 210 transitions. [2020-10-14 18:23:33,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-14 18:23:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 210 transitions. [2020-10-14 18:23:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-14 18:23:33,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:23:33,680 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:23:33,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-14 18:23:33,680 INFO L427 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:23:33,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:23:33,681 INFO L82 PathProgramCache]: Analyzing trace with hash -400684974, now seen corresponding path program 47 times [2020-10-14 18:23:33,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:23:33,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006296195] [2020-10-14 18:23:33,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:23:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:33,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:37,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:37,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-14 18:23:37,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:37,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3879 [2020-10-14 18:23:37,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:37,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:37,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-14 18:23:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:23:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-14 18:23:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:23:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:23:40,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:23:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:23:40,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 18:23:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:23:40,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 18:23:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 18:23:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:23:40,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 18:23:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 18:23:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 18:23:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 18:23:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 18:23:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 18:23:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:23:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 18:23:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 18:23:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 18:23:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 18:23:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-14 18:23:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 18:23:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-14 18:23:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 18:23:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-14 18:23:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 18:23:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 18:23:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 18:23:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:23:40,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-14 18:23:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 18:23:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:40,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:40,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:23:40,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:23:40,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:40,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:23:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:23:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:23:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:23:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 924 proven. 300 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-14 18:23:40,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006296195] [2020-10-14 18:23:40,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:23:40,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2020-10-14 18:23:40,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801077998] [2020-10-14 18:23:40,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-10-14 18:23:40,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:23:40,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-10-14 18:23:40,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=2157, Unknown=0, NotChecked=0, Total=2862 [2020-10-14 18:23:40,903 INFO L87 Difference]: Start difference. First operand 209 states and 210 transitions. Second operand 54 states. [2020-10-14 18:23:46,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:23:46,094 INFO L93 Difference]: Finished difference Result 393 states and 396 transitions. [2020-10-14 18:23:46,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-14 18:23:46,097 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 206 [2020-10-14 18:23:46,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:23:46,099 INFO L225 Difference]: With dead ends: 393 [2020-10-14 18:23:46,099 INFO L226 Difference]: Without dead ends: 214 [2020-10-14 18:23:46,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1434, Invalid=4886, Unknown=0, NotChecked=0, Total=6320 [2020-10-14 18:23:46,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-14 18:23:46,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 210. [2020-10-14 18:23:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-14 18:23:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 211 transitions. [2020-10-14 18:23:46,145 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 211 transitions. Word has length 206 [2020-10-14 18:23:46,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:23:46,146 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 211 transitions. [2020-10-14 18:23:46,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 54 states. [2020-10-14 18:23:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 211 transitions. [2020-10-14 18:23:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 18:23:46,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:23:46,148 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:23:46,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-14 18:23:46,149 INFO L427 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:23:46,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:23:46,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1321802701, now seen corresponding path program 48 times [2020-10-14 18:23:46,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:23:46,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287491512] [2020-10-14 18:23:46,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:23:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:23:46,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:23:51,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:23:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-14 18:23:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0