/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/recursive/Addition03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:59:01,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:59:01,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:59:01,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:59:01,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:59:01,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:59:01,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:59:01,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:59:01,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:59:01,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:59:01,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:59:01,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:59:01,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:59:01,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:59:01,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:59:01,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:59:01,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:59:01,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:59:01,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:59:01,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:59:01,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:59:01,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:59:01,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:59:01,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:59:01,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:59:01,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:59:01,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:59:01,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:59:01,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:59:01,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:59:01,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:59:01,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:59:01,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:59:01,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:59:01,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:59:01,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:59:01,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:59:01,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:59:01,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:59:01,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:59:01,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:59:01,156 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 [2020-10-29 11:59:01,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:59:01,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:59:01,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:59:01,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:59:01,205 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:59:01,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:59:01,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:59:01,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:59:01,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:59:01,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:59:01,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:59:01,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:59:01,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:59:01,209 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:59:01,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:59:01,209 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:59:01,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:59:01,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:59:01,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:59:01,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:59:01,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:59:01,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:59:01,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:59:01,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:59:01,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:59:01,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:59:01,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:59:01,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:59:01,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:59:01,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:59:01,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:59:01,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:59:01,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:59:01,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:59:01,674 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:59:01,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Addition03-1.c [2020-10-29 11:59:01,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d513c055/8111c316d2f34e1aae405bb7b3d12608/FLAG63756abfd [2020-10-29 11:59:02,399 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:59:02,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Addition03-1.c [2020-10-29 11:59:02,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d513c055/8111c316d2f34e1aae405bb7b3d12608/FLAG63756abfd [2020-10-29 11:59:02,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d513c055/8111c316d2f34e1aae405bb7b3d12608 [2020-10-29 11:59:02,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:59:02,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:59:02,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:59:02,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:59:02,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:59:02,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:59:02" (1/1) ... [2020-10-29 11:59:02,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f26da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:02, skipping insertion in model container [2020-10-29 11:59:02,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:59:02" (1/1) ... [2020-10-29 11:59:02,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:59:02,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:59:02,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:59:02,983 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:59:03,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:59:03,013 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:59:03,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03 WrapperNode [2020-10-29 11:59:03,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:59:03,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:59:03,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:59:03,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:59:03,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (1/1) ... [2020-10-29 11:59:03,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (1/1) ... [2020-10-29 11:59:03,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (1/1) ... [2020-10-29 11:59:03,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (1/1) ... [2020-10-29 11:59:03,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (1/1) ... [2020-10-29 11:59:03,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (1/1) ... [2020-10-29 11:59:03,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (1/1) ... [2020-10-29 11:59:03,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:59:03,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:59:03,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:59:03,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:59:03,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (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 [2020-10-29 11:59:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:59:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:59:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:59:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-10-29 11:59:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:59:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:59:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:59:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:59:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:59:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:59:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-10-29 11:59:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:59:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:59:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:59:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:59:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:59:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:59:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:59:03,349 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:59:03,349 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 11:59:03,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:59:03 BoogieIcfgContainer [2020-10-29 11:59:03,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:59:03,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:59:03,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:59:03,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:59:03,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:59:02" (1/3) ... [2020-10-29 11:59:03,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564cb082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:59:03, skipping insertion in model container [2020-10-29 11:59:03,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:59:03" (2/3) ... [2020-10-29 11:59:03,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564cb082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:59:03, skipping insertion in model container [2020-10-29 11:59:03,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:59:03" (3/3) ... [2020-10-29 11:59:03,360 INFO L111 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2020-10-29 11:59:03,373 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:59:03,378 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 11:59:03,393 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 11:59:03,428 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:59:03,428 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:59:03,428 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:59:03,429 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:59:03,429 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:59:03,429 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:59:03,429 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:59:03,430 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:59:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-29 11:59:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-29 11:59:03,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:03,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:03,483 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:03,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:03,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1428447986, now seen corresponding path program 1 times [2020-10-29 11:59:03,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:03,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581831258] [2020-10-29 11:59:03,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:03,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:04,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:04,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:59:04,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-29 11:59:04,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:04,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:59:04,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 11:59:04,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:04,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:04,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:04,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:04,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:04,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:59:04,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:04,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:04,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:04,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:04,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:04,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:04,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:04,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:04,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:04,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:04,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:59:04,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:04,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:04,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:59:04,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581831258] [2020-10-29 11:59:04,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:59:04,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 11:59:04,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368686914] [2020-10-29 11:59:04,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 11:59:04,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:04,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 11:59:04,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 11:59:04,380 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-10-29 11:59:04,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:04,665 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-10-29 11:59:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 11:59:04,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-29 11:59:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:04,677 INFO L225 Difference]: With dead ends: 42 [2020-10-29 11:59:04,678 INFO L226 Difference]: Without dead ends: 24 [2020-10-29 11:59:04,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:59:04,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-29 11:59:04,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-29 11:59:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-29 11:59:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2020-10-29 11:59:04,729 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 15 [2020-10-29 11:59:04,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:04,729 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2020-10-29 11:59:04,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 11:59:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2020-10-29 11:59:04,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-29 11:59:04,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:04,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:04,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:59:04,733 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:04,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:04,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1220433035, now seen corresponding path program 1 times [2020-10-29 11:59:04,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:04,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513392154] [2020-10-29 11:59:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:04,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:04,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:05,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:05,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:05,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-29 11:59:05,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:05,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:05,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:05,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:05,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 11:59:05,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:05,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:05,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:05,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:05,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:05,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:59:05,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:05,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:05,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:05,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:05,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:05,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:05,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:05,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:05,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 11:59:05,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:05,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:59:05,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:05,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:05,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:59:05,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:05,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:59:05,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:59:05,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513392154] [2020-10-29 11:59:05,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:59:05,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 11:59:05,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033455730] [2020-10-29 11:59:05,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 11:59:05,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:05,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 11:59:05,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 11:59:05,309 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 6 states. [2020-10-29 11:59:05,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:05,496 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2020-10-29 11:59:05,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 11:59:05,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-29 11:59:05,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:05,498 INFO L225 Difference]: With dead ends: 31 [2020-10-29 11:59:05,498 INFO L226 Difference]: Without dead ends: 26 [2020-10-29 11:59:05,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:59:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-29 11:59:05,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-10-29 11:59:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-29 11:59:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2020-10-29 11:59:05,509 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 17 [2020-10-29 11:59:05,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:05,509 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2020-10-29 11:59:05,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 11:59:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2020-10-29 11:59:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-29 11:59:05,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:05,511 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:05,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:59:05,511 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:05,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:05,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1999542133, now seen corresponding path program 1 times [2020-10-29 11:59:05,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:05,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764530355] [2020-10-29 11:59:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:05,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-29 11:59:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 11:59:05,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:05,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 11:59:05,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:05,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:05,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:05,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:05,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:59:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:05,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:05,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:05,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:05,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:05,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 11:59:05,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:05,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:59:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:05,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:05,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:05,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:05,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:05,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:05,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:05,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:59:05,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:05,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:05,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:05,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:05,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:05,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 11:59:05,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764530355] [2020-10-29 11:59:05,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:05,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 11:59:05,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938308774] [2020-10-29 11:59:05,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:59:05,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:59:05,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:59:05,885 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 8 states. [2020-10-29 11:59:06,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:06,299 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-10-29 11:59:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 11:59:06,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-10-29 11:59:06,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:06,302 INFO L225 Difference]: With dead ends: 53 [2020-10-29 11:59:06,302 INFO L226 Difference]: Without dead ends: 34 [2020-10-29 11:59:06,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:59:06,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-29 11:59:06,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-29 11:59:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-29 11:59:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2020-10-29 11:59:06,314 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 22 [2020-10-29 11:59:06,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:06,314 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2020-10-29 11:59:06,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:59:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2020-10-29 11:59:06,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 11:59:06,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:06,316 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:06,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:59:06,316 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:06,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:06,317 INFO L82 PathProgramCache]: Analyzing trace with hash 130196988, now seen corresponding path program 2 times [2020-10-29 11:59:06,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:06,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617890462] [2020-10-29 11:59:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:06,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:06,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:06,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 11:59:06,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 11:59:06,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:06,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 11:59:06,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:06,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:06,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:06,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:06,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:06,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:59:06,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:06,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:06,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:06,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:06,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:06,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:06,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:06,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:06,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 11:59:06,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:06,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:06,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:06,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:06,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:06,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:06,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 11:59:06,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:06,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:06,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:06,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:06,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:06,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:06,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:06,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:06,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:06,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:06,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:59:06,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:06,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:06,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:06,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 11:59:06,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617890462] [2020-10-29 11:59:06,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:06,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 11:59:06,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258174414] [2020-10-29 11:59:06,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:59:06,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:06,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:59:06,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:59:06,807 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand 9 states. [2020-10-29 11:59:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:07,276 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2020-10-29 11:59:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:59:07,276 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-10-29 11:59:07,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:07,278 INFO L225 Difference]: With dead ends: 47 [2020-10-29 11:59:07,278 INFO L226 Difference]: Without dead ends: 42 [2020-10-29 11:59:07,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:59:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-29 11:59:07,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-29 11:59:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-29 11:59:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2020-10-29 11:59:07,291 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 54 transitions. Word has length 29 [2020-10-29 11:59:07,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:07,292 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 54 transitions. [2020-10-29 11:59:07,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:59:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2020-10-29 11:59:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 11:59:07,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:07,294 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:07,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:59:07,294 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:07,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:07,295 INFO L82 PathProgramCache]: Analyzing trace with hash -963811421, now seen corresponding path program 1 times [2020-10-29 11:59:07,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:07,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727036412] [2020-10-29 11:59:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:07,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:07,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:07,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:08,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:08,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-29 11:59:08,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:08,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 11:59:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:08,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:08,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:08,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:08,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:08,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:08,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:08,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:59:08,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:08,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 11:59:08,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:08,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:59:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 11:59:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:08,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:08,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:08,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 11:59:08,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:59:08,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 11:59:08,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:08,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:59:08,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:08,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:08,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:08,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:08,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 11:59:08,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:59:08,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:08,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:59:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 11:59:08,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727036412] [2020-10-29 11:59:08,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:08,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 11:59:08,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777156042] [2020-10-29 11:59:08,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:59:08,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:08,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:59:08,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:59:08,525 INFO L87 Difference]: Start difference. First operand 42 states and 54 transitions. Second operand 9 states. [2020-10-29 11:59:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:09,013 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2020-10-29 11:59:09,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:59:09,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2020-10-29 11:59:09,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:09,016 INFO L225 Difference]: With dead ends: 50 [2020-10-29 11:59:09,017 INFO L226 Difference]: Without dead ends: 45 [2020-10-29 11:59:09,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:59:09,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-29 11:59:09,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2020-10-29 11:59:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 11:59:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2020-10-29 11:59:09,027 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 31 [2020-10-29 11:59:09,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:09,028 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2020-10-29 11:59:09,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:59:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-10-29 11:59:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-29 11:59:09,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:09,030 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:09,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:59:09,030 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:09,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:09,031 INFO L82 PathProgramCache]: Analyzing trace with hash 939869469, now seen corresponding path program 3 times [2020-10-29 11:59:09,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:09,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944867661] [2020-10-29 11:59:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:09,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:09,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:09,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 11:59:09,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:09,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-29 11:59:09,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:09,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:09,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:59:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 11:59:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:09,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:09,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:09,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:09,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:09,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:09,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:09,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:09,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:09,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:09,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:09,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:09,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 11:59:09,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:09,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:59:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:09,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:09,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 11:59:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:09,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:09,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:09,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:09,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:09,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:09,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:09,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 11:59:09,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:09,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:09,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:09,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:09,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:09,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:09,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:09,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:59:09,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:09,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:09,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:09,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 11:59:09,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944867661] [2020-10-29 11:59:09,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:09,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 11:59:09,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491753946] [2020-10-29 11:59:09,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:59:09,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:09,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:59:09,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:59:09,524 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand 10 states. [2020-10-29 11:59:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:10,035 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2020-10-29 11:59:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:59:10,036 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-10-29 11:59:10,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:10,037 INFO L225 Difference]: With dead ends: 45 [2020-10-29 11:59:10,037 INFO L226 Difference]: Without dead ends: 40 [2020-10-29 11:59:10,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:59:10,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-29 11:59:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-29 11:59:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-29 11:59:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2020-10-29 11:59:10,046 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 36 [2020-10-29 11:59:10,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:10,047 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2020-10-29 11:59:10,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:59:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2020-10-29 11:59:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 11:59:10,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:10,049 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:10,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:59:10,049 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:10,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:10,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1946201066, now seen corresponding path program 4 times [2020-10-29 11:59:10,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:10,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575066497] [2020-10-29 11:59:10,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:10,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:10,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:10,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:59:10,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:10,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-29 11:59:10,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:10,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:10,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:59:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:10,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 11:59:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:10,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:10,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:10,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:10,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:10,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:10,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:10,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:10,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:10,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:10,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 11:59:10,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:10,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:59:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:10,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:10,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:10,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:10,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:10,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:10,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 11:59:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:10,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:10,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:10,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:10,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:10,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:10,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 11:59:10,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:10,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:10,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:10,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:10,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:10,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:10,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:10,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:10,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 11:59:10,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:10,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:10,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:10,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:10,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:10,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:10,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:10,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:10,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:10,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:59:10,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:10,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 11:59:10,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575066497] [2020-10-29 11:59:10,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:10,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 11:59:10,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277237621] [2020-10-29 11:59:10,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:59:10,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:10,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:59:10,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:59:10,839 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand 11 states. [2020-10-29 11:59:11,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:11,306 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2020-10-29 11:59:11,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:59:11,307 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-10-29 11:59:11,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:11,309 INFO L225 Difference]: With dead ends: 48 [2020-10-29 11:59:11,309 INFO L226 Difference]: Without dead ends: 43 [2020-10-29 11:59:11,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:59:11,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-29 11:59:11,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-29 11:59:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-29 11:59:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2020-10-29 11:59:11,327 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 43 [2020-10-29 11:59:11,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:11,327 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2020-10-29 11:59:11,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:59:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2020-10-29 11:59:11,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-29 11:59:11,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:11,332 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:11,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:59:11,333 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:11,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:11,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1769247919, now seen corresponding path program 5 times [2020-10-29 11:59:11,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:11,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803586287] [2020-10-29 11:59:11,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:11,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:11,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:11,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:59:11,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-29 11:59:11,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:11,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:59:11,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:11,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:11,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:11,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:11,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:11,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:11,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:11,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:11,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:11,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:11,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:11,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:11,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:11,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 11:59:11,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:11,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:59:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:11,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:11,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:11,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:11,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 11:59:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:11,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:11,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:12,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:12,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:12,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:12,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:12,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 11:59:12,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:12,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:12,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:12,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:12,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:12,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:12,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:12,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 11:59:12,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:12,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:12,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:12,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:12,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:12,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:12,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 11:59:12,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:12,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:12,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:12,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:12,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:12,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:12,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:12,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:59:12,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:12,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:12,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:12,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 58 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-29 11:59:12,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803586287] [2020-10-29 11:59:12,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:12,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:59:12,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859666298] [2020-10-29 11:59:12,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:59:12,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:12,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:59:12,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:59:12,302 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand 12 states. [2020-10-29 11:59:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:12,902 INFO L93 Difference]: Finished difference Result 65 states and 77 transitions. [2020-10-29 11:59:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 11:59:12,902 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2020-10-29 11:59:12,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:12,904 INFO L225 Difference]: With dead ends: 65 [2020-10-29 11:59:12,904 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 11:59:12,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-29 11:59:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 11:59:12,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2020-10-29 11:59:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-29 11:59:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2020-10-29 11:59:12,915 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 50 [2020-10-29 11:59:12,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:12,916 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2020-10-29 11:59:12,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:59:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2020-10-29 11:59:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:59:12,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:12,918 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:12,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:59:12,918 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:12,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:12,918 INFO L82 PathProgramCache]: Analyzing trace with hash 161102888, now seen corresponding path program 2 times [2020-10-29 11:59:12,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:12,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107408047] [2020-10-29 11:59:12,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:12,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:12,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:12,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:13,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:13,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:13,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:14,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:15,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:15,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 11:59:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2483 [2020-10-29 11:59:15,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:15,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:59:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 11:59:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:15,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:15,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:15,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:59:15,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:15,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:15,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:15,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:15,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:17,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-29 11:59:17,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 11:59:17,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1712 [2020-10-29 11:59:17,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:17,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:17,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:59:17,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 11:59:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:17,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:17,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:17,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:18,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 11:59:18,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:59:18,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-10-29 11:59:18,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:18,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:18,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:18,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:18,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 11:59:18,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:18,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:18,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:59:18,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:59:18,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-29 11:59:18,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:18,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:18,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:18,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:18,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 11:59:18,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:18,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:18,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:18,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:59:18,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-29 11:59:18,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:18,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 11:59:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:18,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:18,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:18,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 11:59:18,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:59:18,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 11:59:18,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:18,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:59:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:18,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:18,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:18,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 11:59:18,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:59:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:18,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:59:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-29 11:59:18,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107408047] [2020-10-29 11:59:18,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:18,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:59:18,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343256578] [2020-10-29 11:59:18,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:59:18,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:18,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:59:18,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:59:18,961 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand 12 states. [2020-10-29 11:59:19,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:19,506 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2020-10-29 11:59:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 11:59:19,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-10-29 11:59:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:19,509 INFO L225 Difference]: With dead ends: 68 [2020-10-29 11:59:19,509 INFO L226 Difference]: Without dead ends: 63 [2020-10-29 11:59:19,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-29 11:59:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-29 11:59:19,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 46. [2020-10-29 11:59:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-29 11:59:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2020-10-29 11:59:19,519 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 52 [2020-10-29 11:59:19,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:19,520 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2020-10-29 11:59:19,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:59:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2020-10-29 11:59:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 11:59:19,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:19,521 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:19,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:59:19,522 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:19,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:19,522 INFO L82 PathProgramCache]: Analyzing trace with hash -2139566376, now seen corresponding path program 6 times [2020-10-29 11:59:19,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:19,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683570818] [2020-10-29 11:59:19,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:19,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:19,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:59:19,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:19,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-29 11:59:19,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:19,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:19,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:59:19,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:19,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 11:59:19,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:19,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:19,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:19,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:19,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:19,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:19,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:19,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:19,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:19,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:19,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:19,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:19,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:20,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:20,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 11:59:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:20,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:59:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:20,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:20,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:20,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:20,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:20,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 11:59:20,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:20,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:20,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:20,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:20,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:20,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:20,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:20,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 11:59:20,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:20,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:20,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:20,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:20,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:20,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:20,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 11:59:20,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:20,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:20,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:20,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:20,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:20,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 11:59:20,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:20,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:20,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:20,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:20,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:20,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:59:20,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:20,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:20,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:20,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:20,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:20,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:20,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:20,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:20,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:20,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:20,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:20,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:59:20,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:20,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:20,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:20,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-29 11:59:20,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683570818] [2020-10-29 11:59:20,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:20,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 11:59:20,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27296405] [2020-10-29 11:59:20,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 11:59:20,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:20,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 11:59:20,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-29 11:59:20,627 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 13 states. [2020-10-29 11:59:21,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:21,182 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2020-10-29 11:59:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 11:59:21,182 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2020-10-29 11:59:21,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:21,184 INFO L225 Difference]: With dead ends: 54 [2020-10-29 11:59:21,184 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 11:59:21,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-10-29 11:59:21,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 11:59:21,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-29 11:59:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-29 11:59:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2020-10-29 11:59:21,196 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 57 [2020-10-29 11:59:21,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:21,196 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2020-10-29 11:59:21,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 11:59:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2020-10-29 11:59:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 11:59:21,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:21,197 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:21,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 11:59:21,198 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:21,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:21,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2123614399, now seen corresponding path program 7 times [2020-10-29 11:59:21,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:21,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613170098] [2020-10-29 11:59:21,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 11:59:21,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 288 [2020-10-29 11:59:21,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 11:59:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:21,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 11:59:21,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:21,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:59:21,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:21,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:21,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:21,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:21,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 11:59:21,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 11:59:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:59:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:21,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:21,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:21,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:21,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 11:59:21,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:21,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:21,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:21,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:21,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:21,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:21,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:21,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:22,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:22,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 11:59:22,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:22,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:22,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:22,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:22,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:22,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:22,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-29 11:59:22,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:22,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:22,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:22,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:22,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:22,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 11:59:22,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:22,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:22,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:22,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:22,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 11:59:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:22,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:22,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:22,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:22,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:22,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:22,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:59:22,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:22,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:22,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:22,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:22,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:22,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:22,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:22,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:22,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:22,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:22,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:22,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:22,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 15 proven. 101 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-29 11:59:22,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613170098] [2020-10-29 11:59:22,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:22,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 11:59:22,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659067320] [2020-10-29 11:59:22,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 11:59:22,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:22,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 11:59:22,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:59:22,442 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand 14 states. [2020-10-29 11:59:23,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:23,147 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2020-10-29 11:59:23,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 11:59:23,148 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 64 [2020-10-29 11:59:23,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:23,150 INFO L225 Difference]: With dead ends: 57 [2020-10-29 11:59:23,150 INFO L226 Difference]: Without dead ends: 52 [2020-10-29 11:59:23,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2020-10-29 11:59:23,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-29 11:59:23,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-29 11:59:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-29 11:59:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2020-10-29 11:59:23,159 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 64 [2020-10-29 11:59:23,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:23,159 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2020-10-29 11:59:23,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 11:59:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2020-10-29 11:59:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 11:59:23,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:23,161 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:23,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 11:59:23,161 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:23,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:23,162 INFO L82 PathProgramCache]: Analyzing trace with hash 154021574, now seen corresponding path program 8 times [2020-10-29 11:59:23,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:23,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778174013] [2020-10-29 11:59:23,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:23,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:23,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:23,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 11:59:23,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:23,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-29 11:59:23,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:23,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 11:59:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 11:59:23,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:23,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:23,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:23,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:23,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:23,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:23,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:23,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:23,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:23,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:23,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:23,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:23,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:23,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 11:59:23,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-29 11:59:23,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:23,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 11:59:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:59:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:23,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:24,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-29 11:59:24,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:24,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:59:24,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:24,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:24,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-29 11:59:24,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:24,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:24,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:24,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 11:59:24,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:24,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:24,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:24,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 11:59:24,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:24,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:24,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:24,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 11:59:24,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:24,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:24,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:24,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 11:59:24,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:24,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:24,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:59:24,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:24,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:24,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:24,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:24,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:24,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:59:24,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:24,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:24,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 18 proven. 136 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-29 11:59:24,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778174013] [2020-10-29 11:59:24,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:24,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 11:59:24,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352449482] [2020-10-29 11:59:24,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 11:59:24,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:24,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 11:59:24,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:59:24,824 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand 16 states. [2020-10-29 11:59:25,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:25,602 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2020-10-29 11:59:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:59:25,604 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 71 [2020-10-29 11:59:25,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:25,606 INFO L225 Difference]: With dead ends: 83 [2020-10-29 11:59:25,606 INFO L226 Difference]: Without dead ends: 78 [2020-10-29 11:59:25,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=252, Invalid=560, Unknown=0, NotChecked=0, Total=812 [2020-10-29 11:59:25,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-29 11:59:25,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 60. [2020-10-29 11:59:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-29 11:59:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2020-10-29 11:59:25,616 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 71 [2020-10-29 11:59:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:25,616 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2020-10-29 11:59:25,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 11:59:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2020-10-29 11:59:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-29 11:59:25,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:25,618 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:25,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 11:59:25,618 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:25,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:25,619 INFO L82 PathProgramCache]: Analyzing trace with hash -386192851, now seen corresponding path program 3 times [2020-10-29 11:59:25,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:25,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289670979] [2020-10-29 11:59:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:25,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:26,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:28,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:30,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:59:30,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 11:59:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 11:59:30,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:30,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 11:59:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 11:59:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:30,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:30,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:30,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:30,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:30,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:30,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:30,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:30,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:30,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:30,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:30,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:30,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:30,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:32,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 11:59:34,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 11:59:34,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3892 [2020-10-29 11:59:34,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:34,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 11:59:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 11:59:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:34,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:34,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:34,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:35,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:36,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 11:59:36,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 11:59:36,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2138 [2020-10-29 11:59:36,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:36,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:36,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:36,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:36,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 11:59:36,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:36,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:36,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:36,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:37,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:38,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 11:59:38,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 11:59:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1445 [2020-10-29 11:59:38,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:38,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 11:59:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:38,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:38,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 642 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 11:59:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:38,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:38,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:39,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 11:59:39,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:39,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:39,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:39,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:59:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:59:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-29 11:59:39,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:39,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 11:59:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:39,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:39,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:59:39,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:59:39,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 11:59:39,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:39,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:39,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:39,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:39,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 11:59:39,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:39,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:39,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 11:59:39,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:59:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 11:59:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:39,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:39,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:59:39,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:39,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:39,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:39,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:39,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 11:59:39,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:59:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:59:39,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:39,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:59:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-29 11:59:39,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289670979] [2020-10-29 11:59:39,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:39,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:59:39,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716208546] [2020-10-29 11:59:39,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:59:39,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:39,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:59:39,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:59:39,785 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand 15 states. [2020-10-29 11:59:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:40,597 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2020-10-29 11:59:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:59:40,597 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 73 [2020-10-29 11:59:40,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:40,599 INFO L225 Difference]: With dead ends: 86 [2020-10-29 11:59:40,599 INFO L226 Difference]: Without dead ends: 81 [2020-10-29 11:59:40,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=235, Invalid=521, Unknown=0, NotChecked=0, Total=756 [2020-10-29 11:59:40,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-29 11:59:40,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 55. [2020-10-29 11:59:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-29 11:59:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2020-10-29 11:59:40,609 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 73 [2020-10-29 11:59:40,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:40,609 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2020-10-29 11:59:40,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:59:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2020-10-29 11:59:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-29 11:59:40,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:40,611 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:40,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 11:59:40,611 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:40,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:40,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1310264531, now seen corresponding path program 9 times [2020-10-29 11:59:40,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:40,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192643001] [2020-10-29 11:59:40,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:40,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:40,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:40,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 11:59:40,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-29 11:59:40,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:40,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 11:59:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 11:59:40,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:40,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:40,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:40,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:40,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:40,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:40,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:40,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:40,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:59:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:41,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 11:59:41,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-29 11:59:41,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:59:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:59:41,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:59:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:41,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 11:59:41,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:41,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:41,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:41,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 11:59:41,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:41,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:41,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:41,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:41,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:41,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 11:59:41,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:41,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:41,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:41,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:41,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:41,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:41,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:41,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:42,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:42,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:42,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:42,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:59:42,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:42,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:42,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:42,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:42,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:42,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:42,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:42,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:42,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:59:42,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:42,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:42,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:42,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:42,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:42,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:42,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:42,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:42,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:42,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:42,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 27 proven. 148 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-29 11:59:42,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192643001] [2020-10-29 11:59:42,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:42,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 11:59:42,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174693561] [2020-10-29 11:59:42,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 11:59:42,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:42,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 11:59:42,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:59:42,120 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 16 states. [2020-10-29 11:59:42,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:42,963 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2020-10-29 11:59:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:59:42,964 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 78 [2020-10-29 11:59:42,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:42,965 INFO L225 Difference]: With dead ends: 63 [2020-10-29 11:59:42,965 INFO L226 Difference]: Without dead ends: 58 [2020-10-29 11:59:42,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=273, Invalid=597, Unknown=0, NotChecked=0, Total=870 [2020-10-29 11:59:42,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-29 11:59:42,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-10-29 11:59:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-29 11:59:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-29 11:59:42,979 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 78 [2020-10-29 11:59:42,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:42,980 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-29 11:59:42,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 11:59:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-29 11:59:42,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-29 11:59:42,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:42,981 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:42,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 11:59:42,982 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:42,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1958483020, now seen corresponding path program 10 times [2020-10-29 11:59:42,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:42,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929842261] [2020-10-29 11:59:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:43,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:43,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 11:59:43,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:43,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-29 11:59:43,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:43,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 11:59:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:43,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 11:59:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:43,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:43,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:43,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:43,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:43,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:43,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:43,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:43,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:43,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:43,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:43,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:43,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 11:59:43,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:43,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:43,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:59:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:43,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 11:59:44,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-29 11:59:44,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:59:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:59:44,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 11:59:44,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:59:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:44,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 11:59:44,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:44,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:44,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:44,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 11:59:44,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:44,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:44,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 11:59:44,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:44,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:44,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 11:59:44,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:44,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 11:59:44,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:44,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:44,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:59:44,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:44,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:44,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:44,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:44,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:44,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:44,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:44,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:44,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:44,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:44,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 27 proven. 194 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-29 11:59:44,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929842261] [2020-10-29 11:59:44,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:44,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 11:59:44,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148990196] [2020-10-29 11:59:44,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 11:59:44,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:44,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 11:59:44,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2020-10-29 11:59:44,758 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 17 states. [2020-10-29 11:59:45,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:45,629 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2020-10-29 11:59:45,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 11:59:45,629 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 85 [2020-10-29 11:59:45,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:45,631 INFO L225 Difference]: With dead ends: 66 [2020-10-29 11:59:45,631 INFO L226 Difference]: Without dead ends: 61 [2020-10-29 11:59:45,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=314, Invalid=678, Unknown=0, NotChecked=0, Total=992 [2020-10-29 11:59:45,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-29 11:59:45,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-10-29 11:59:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-29 11:59:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-10-29 11:59:45,640 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 85 [2020-10-29 11:59:45,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:45,640 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-10-29 11:59:45,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 11:59:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-10-29 11:59:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-29 11:59:45,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:45,642 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:45,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 11:59:45,642 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:45,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:45,642 INFO L82 PathProgramCache]: Analyzing trace with hash 830993765, now seen corresponding path program 11 times [2020-10-29 11:59:45,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:45,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031151030] [2020-10-29 11:59:45,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:45,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:46,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:46,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-29 11:59:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:46,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:46,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:46,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 11:59:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 11:59:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:46,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:46,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 11:59:46,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:46,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:59:47,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:47,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-29 11:59:47,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 11:59:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:59:47,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:47,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 11:59:47,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-29 11:59:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:59:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:59:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:47,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:59:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:47,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:47,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 11:59:47,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:47,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 11:59:47,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:47,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:47,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:47,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:47,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 11:59:47,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:47,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:59:47,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:48,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:48,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:48,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:48,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 11:59:48,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:48,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:48,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:48,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:48,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:48,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:48,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:48,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 11:59:48,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:48,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:48,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:48,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:48,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:48,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:59:48,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:48,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 11:59:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:48,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:48,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:59:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:48,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:48,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:48,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 36 proven. 246 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-10-29 11:59:48,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031151030] [2020-10-29 11:59:48,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:48,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 11:59:48,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116408836] [2020-10-29 11:59:48,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 11:59:48,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:48,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 11:59:48,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:59:48,354 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 18 states. [2020-10-29 11:59:49,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:49,268 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2020-10-29 11:59:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 11:59:49,270 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 92 [2020-10-29 11:59:49,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:49,272 INFO L225 Difference]: With dead ends: 69 [2020-10-29 11:59:49,272 INFO L226 Difference]: Without dead ends: 64 [2020-10-29 11:59:49,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=358, Invalid=764, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 11:59:49,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-29 11:59:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-29 11:59:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-29 11:59:49,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2020-10-29 11:59:49,283 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 92 [2020-10-29 11:59:49,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:49,284 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2020-10-29 11:59:49,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 11:59:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2020-10-29 11:59:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 11:59:49,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:49,285 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:49,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 11:59:49,285 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:49,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:49,286 INFO L82 PathProgramCache]: Analyzing trace with hash 2063410594, now seen corresponding path program 12 times [2020-10-29 11:59:49,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:49,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241363697] [2020-10-29 11:59:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:49,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:49,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-29 11:59:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:49,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:49,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:49,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 11:59:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 11:59:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:50,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:50,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:50,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 11:59:50,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:50,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-29 11:59:50,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:50,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:50,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 11:59:50,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:50,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 11:59:50,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:50,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:59:51,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-10-29 11:59:51,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 11:59:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 11:59:51,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:51,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:59:51,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 11:59:51,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 11:59:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:59:51,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:51,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 11:59:51,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-29 11:59:51,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:59:51,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:59:51,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:51,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:51,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 11:59:51,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:59:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:51,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:51,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:51,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:51,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-29 11:59:51,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:51,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:51,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:51,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:52,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:52,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:52,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 11:59:52,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:52,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:52,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:52,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:52,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:52,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:52,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:52,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:52,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 11:59:52,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:52,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:52,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:52,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:52,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:52,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:52,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:52,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 11:59:52,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:52,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:52,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:52,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:52,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:52,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:59:52,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:52,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:52,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:52,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:52,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:52,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:52,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:52,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:52,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:52,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:52,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:59:52,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:52,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:52,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:52,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:52,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:52,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:52,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:52,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:59:52,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:52,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:52,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:59:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 12 proven. 294 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2020-10-29 11:59:52,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241363697] [2020-10-29 11:59:52,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:52,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-29 11:59:52,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157578368] [2020-10-29 11:59:52,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-29 11:59:52,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:52,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-29 11:59:52,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:59:52,541 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand 19 states. [2020-10-29 11:59:53,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:53,504 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2020-10-29 11:59:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 11:59:53,504 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 99 [2020-10-29 11:59:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:53,505 INFO L225 Difference]: With dead ends: 72 [2020-10-29 11:59:53,505 INFO L226 Difference]: Without dead ends: 67 [2020-10-29 11:59:53,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=405, Invalid=855, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 11:59:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-29 11:59:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-29 11:59:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-29 11:59:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2020-10-29 11:59:53,516 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 99 [2020-10-29 11:59:53,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:53,517 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2020-10-29 11:59:53,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-29 11:59:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2020-10-29 11:59:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-29 11:59:53,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:53,518 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:53,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 11:59:53,519 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:53,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:53,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1269158135, now seen corresponding path program 13 times [2020-10-29 11:59:53,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:53,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737648705] [2020-10-29 11:59:53,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:53,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 11:59:54,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:54,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-29 11:59:54,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 11:59:54,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:59:54,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 11:59:54,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:59:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:59:54,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:54,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:54,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:59:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:59:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:59:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:54,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:54,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 11:59:54,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-29 11:59:54,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:54,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 11:59:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 11:59:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:55,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 11:59:55,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-29 11:59:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:55,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 11:59:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 11:59:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:55,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:55,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:55,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 11:59:55,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-29 11:59:55,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:55,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 11:59:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 11:59:55,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:55,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:55,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:55,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 11:59:55,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:55,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:55,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:59:56,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-29 11:59:56,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 11:59:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:59:56,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:59:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-29 11:59:56,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 11:59:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:59:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:59:56,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 11:59:56,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:59:56,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:59:56,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 11:59:56,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 11:59:56,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 11:59:56,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:59:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 11:59:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 11:59:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 11:59:56,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:59:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 11:59:56,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:59:56,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:59:56,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:59:56,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:59:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 11:59:56,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 11:59:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:56,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:56,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:59:56,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:59:56,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:59:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:59:56,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:59:56,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:59:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:59:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:59:56,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:59:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:59:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 49 proven. 311 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-10-29 11:59:57,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737648705] [2020-10-29 11:59:57,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:59:57,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 11:59:57,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029695364] [2020-10-29 11:59:57,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 11:59:57,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:59:57,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 11:59:57,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:59:57,032 INFO L87 Difference]: Start difference. First operand 67 states and 76 transitions. Second operand 20 states. [2020-10-29 11:59:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:59:58,117 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2020-10-29 11:59:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 11:59:58,117 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 106 [2020-10-29 11:59:58,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:59:58,119 INFO L225 Difference]: With dead ends: 113 [2020-10-29 11:59:58,119 INFO L226 Difference]: Without dead ends: 108 [2020-10-29 11:59:58,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=455, Invalid=951, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 11:59:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-29 11:59:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 75. [2020-10-29 11:59:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-29 11:59:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2020-10-29 11:59:58,128 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 106 [2020-10-29 11:59:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:59:58,129 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2020-10-29 11:59:58,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 11:59:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2020-10-29 11:59:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-29 11:59:58,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:59:58,130 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:59:58,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 11:59:58,131 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:59:58,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:59:58,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1539550064, now seen corresponding path program 4 times [2020-10-29 11:59:58,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:59:58,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355776413] [2020-10-29 11:59:58,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:59:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:59:58,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:58,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:59:59,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-29 12:00:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:00:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:03,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:03,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:03,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:03,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:00:03,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:03,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:03,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:03,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:00:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:03,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:03,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:00:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:08,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:08,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:08,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 12:00:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 12:00:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:13,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:13,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:13,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:18,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 12:00:18,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 12:00:18,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 12:00:18,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:18,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 12:00:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 12:00:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 12:00:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:18,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:18,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:18,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3452 [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 12:00:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:21,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:21,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:21,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-29 12:00:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 12:00:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2120 [2020-10-29 12:00:23,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:23,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:00:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:00:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:23,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:23,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:23,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:25,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 12:00:25,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 12:00:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1743 [2020-10-29 12:00:25,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:25,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 12:00:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:00:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 12:00:25,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:25,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:25,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 12:00:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 12:00:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1207 [2020-10-29 12:00:26,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:26,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:00:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 12:00:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:00:26,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:26,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:26,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:26,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:27,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 12:00:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:27,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:27,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-29 12:00:27,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 12:00:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-29 12:00:27,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:27,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 12:00:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 12:00:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:27,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:27,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:27,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 12:00:27,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 12:00:27,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-10-29 12:00:27,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:27,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:27,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 12:00:27,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:00:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:27,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:27,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:27,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 12:00:27,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:00:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:00:27,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:27,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 12:00:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 12:00:27,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:27,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:27,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:27,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 12:00:28,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 12:00:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 12:00:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:28,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 12:00:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 12:00:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:28,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:28,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:28,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 12:00:28,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 12:00:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:00:28,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:28,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:00:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 12:00:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:28,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:28,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:28,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:28,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 12:00:28,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 12:00:28,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:00:28,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:28,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 12:00:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 12:00:28,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-29 12:00:28,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355776413] [2020-10-29 12:00:28,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:28,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 12:00:28,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954337586] [2020-10-29 12:00:28,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 12:00:28,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:28,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 12:00:28,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 12:00:28,261 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand 9 states. [2020-10-29 12:00:28,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:28,585 INFO L93 Difference]: Finished difference Result 119 states and 133 transitions. [2020-10-29 12:00:28,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 12:00:28,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-10-29 12:00:28,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:28,587 INFO L225 Difference]: With dead ends: 119 [2020-10-29 12:00:28,587 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 12:00:28,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-10-29 12:00:28,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 12:00:28,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-29 12:00:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-29 12:00:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-29 12:00:28,598 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 108 [2020-10-29 12:00:28,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:28,602 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-29 12:00:28,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 12:00:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-29 12:00:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-29 12:00:28,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:28,603 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:28,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 12:00:28,604 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:28,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:28,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1715667824, now seen corresponding path program 14 times [2020-10-29 12:00:28,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:28,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803793065] [2020-10-29 12:00:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:28,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:29,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 796 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 12:00:29,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:29,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:29,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:29,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:29,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:29,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:29,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:29,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:29,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:00:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:29,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:29,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:00:29,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:29,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:30,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:00:30,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:30,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-29 12:00:30,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:30,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:00:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:00:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:30,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:30,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:00:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:30,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:00:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:30,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:00:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:00:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:31,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:00:31,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:31,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:31,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:00:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:31,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:00:31,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 12:00:31,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:00:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:00:31,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:31,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:31,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:00:31,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 12:00:31,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:00:31,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:00:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:31,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:00:31,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 12:00:31,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:00:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:00:31,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:31,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:31,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:00:31,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:00:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:31,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:31,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:31,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:31,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:31,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:00:31,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:31,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:00:31,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:31,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:31,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:31,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:31,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:00:31,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:32,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:32,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:32,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:32,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:32,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:00:32,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:32,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:00:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:32,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:32,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:32,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:32,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:00:32,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:32,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:00:32,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:32,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:00:32,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:32,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:00:32,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:32,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:32,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:32,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:32,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:32,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:32,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:32,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:32,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:32,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 20 proven. 391 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-10-29 12:00:32,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803793065] [2020-10-29 12:00:32,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:32,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-29 12:00:32,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170607590] [2020-10-29 12:00:32,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 12:00:32,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:32,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 12:00:32,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=275, Unknown=0, NotChecked=0, Total=420 [2020-10-29 12:00:32,205 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 21 states. [2020-10-29 12:00:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:33,143 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2020-10-29 12:00:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 12:00:33,143 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 113 [2020-10-29 12:00:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:33,145 INFO L225 Difference]: With dead ends: 68 [2020-10-29 12:00:33,145 INFO L226 Difference]: Without dead ends: 63 [2020-10-29 12:00:33,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=469, Invalid=937, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 12:00:33,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-29 12:00:33,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-29 12:00:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-29 12:00:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-29 12:00:33,152 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 113 [2020-10-29 12:00:33,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:33,153 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-29 12:00:33,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-29 12:00:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-29 12:00:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-29 12:00:33,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:33,154 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:33,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 12:00:33,154 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:33,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:33,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1539342455, now seen corresponding path program 15 times [2020-10-29 12:00:33,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:33,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [820849993] [2020-10-29 12:00:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:00:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-29 12:00:33,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:33,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:33,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:33,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:33,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:00:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:33,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:00:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:34,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:34,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:34,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:34,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:00:34,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-10-29 12:00:34,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:34,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:00:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:00:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:34,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:00:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:35,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:35,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:00:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:35,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:00:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-29 12:00:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:35,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:00:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:00:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:35,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-29 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:36,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:36,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:00:36,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-29 12:00:36,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:00:36,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:00:36,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:36,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:36,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:00:36,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 12:00:36,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:00:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:00:36,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:36,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:36,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:00:36,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-29 12:00:36,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:00:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:00:36,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:36,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:36,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:00:36,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 12:00:36,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:00:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:00:36,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:36,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:00:36,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 12:00:36,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:00:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:00:36,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:36,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:36,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:36,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 12:00:36,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:00:36,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:36,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:36,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:36,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:36,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:36,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:00:36,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:36,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 12:00:36,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:36,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:36,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:00:36,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:37,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:37,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:37,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 12:00:37,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:37,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:00:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:37,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:37,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:37,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:37,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:00:37,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:37,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:00:37,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:37,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:37,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:00:37,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:37,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:00:37,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:37,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:37,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:37,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:37,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:37,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:37,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:37,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:37,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:37,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:37,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:37,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:37,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 59 proven. 429 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-10-29 12:00:37,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [820849993] [2020-10-29 12:00:37,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:37,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-29 12:00:37,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007908261] [2020-10-29 12:00:37,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 12:00:37,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:37,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 12:00:37,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2020-10-29 12:00:37,231 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 22 states. [2020-10-29 12:00:38,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:38,277 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2020-10-29 12:00:38,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 12:00:38,278 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 120 [2020-10-29 12:00:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:38,280 INFO L225 Difference]: With dead ends: 71 [2020-10-29 12:00:38,280 INFO L226 Difference]: Without dead ends: 66 [2020-10-29 12:00:38,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=523, Invalid=1037, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 12:00:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-29 12:00:38,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-29 12:00:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-29 12:00:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-29 12:00:38,285 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 120 [2020-10-29 12:00:38,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:38,286 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-29 12:00:38,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 12:00:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-29 12:00:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-29 12:00:38,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:38,287 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:38,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 12:00:38,287 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:38,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:38,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1275498622, now seen corresponding path program 16 times [2020-10-29 12:00:38,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:38,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542818463] [2020-10-29 12:00:38,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:38,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 656 [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 12:00:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:00:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-29 12:00:38,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:39,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:39,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:00:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:39,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 593 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:00:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:39,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:40,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:00:40,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 484 [2020-10-29 12:00:40,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:40,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:00:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:00:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:40,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:40,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:40,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:40,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:00:40,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:40,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-29 12:00:40,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:40,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:00:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:00:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:40,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:40,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:00:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:00:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:00:41,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:00:41,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-29 12:00:41,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:00:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:00:41,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:41,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:41,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:00:41,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:41,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-29 12:00:41,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:41,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:00:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:00:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:41,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:42,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:42,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:00:42,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-29 12:00:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:42,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:00:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:00:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:42,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:42,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:42,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:00:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:42,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:42,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:42,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:42,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:00:42,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 12:00:42,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:42,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:00:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:00:42,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:42,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:42,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:42,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:00:42,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-29 12:00:42,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:42,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:00:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:00:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:42,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:42,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:00:42,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:42,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:42,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:42,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:42,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 12:00:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:42,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:00:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:42,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:43,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:43,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:00:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:43,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:43,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:43,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:43,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:43,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:00:43,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:43,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:43,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:00:43,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:43,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:43,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:43,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:43,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:43,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:00:43,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:43,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:00:43,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:43,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:00:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:00:43,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:43,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 48 proven. 533 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2020-10-29 12:00:43,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542818463] [2020-10-29 12:00:43,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:43,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-29 12:00:43,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367874485] [2020-10-29 12:00:43,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-29 12:00:43,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:43,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-29 12:00:43,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=366, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:00:43,313 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 24 states. [2020-10-29 12:00:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:44,398 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2020-10-29 12:00:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 12:00:44,402 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 127 [2020-10-29 12:00:44,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:44,403 INFO L225 Difference]: With dead ends: 74 [2020-10-29 12:00:44,403 INFO L226 Difference]: Without dead ends: 69 [2020-10-29 12:00:44,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=604, Invalid=1202, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 12:00:44,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-29 12:00:44,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-29 12:00:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-29 12:00:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-10-29 12:00:44,409 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 127 [2020-10-29 12:00:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:44,409 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-10-29 12:00:44,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-29 12:00:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-10-29 12:00:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-29 12:00:44,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:44,411 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:44,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 12:00:44,411 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:44,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:44,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1426186523, now seen corresponding path program 17 times [2020-10-29 12:00:44,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:44,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028778241] [2020-10-29 12:00:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:44,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 988 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-29 12:00:45,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:45,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:45,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:45,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:45,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:45,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:45,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:45,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:45,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:45,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:00:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:45,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 12:00:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:00:46,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:46,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:46,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:00:46,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-29 12:00:46,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:46,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:00:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:00:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:46,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:46,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:00:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:00:47,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:47,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:47,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:47,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:00:47,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:47,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:48,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:48,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:00:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:48,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:48,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:00:48,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:48,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:48,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:48,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:00:48,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:48,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:48,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:00:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:00:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:00:49,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 12:00:49,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:00:49,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:00:49,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:00:49,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-29 12:00:49,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:00:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:00:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:00:49,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 12:00:49,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:00:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:00:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:00:49,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 12:00:49,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:00:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:00:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:49,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 12:00:49,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:00:49,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:49,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:00:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:49,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:00:49,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:00:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:00:49,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 12:00:49,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:00:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:00:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:49,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:49,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:49,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:49,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:49,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:00:49,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:49,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:49,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:49,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:00:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 141 proven. 526 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-10-29 12:00:49,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028778241] [2020-10-29 12:00:49,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:49,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-29 12:00:49,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513085883] [2020-10-29 12:00:49,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-29 12:00:49,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:49,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-29 12:00:49,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=353, Unknown=0, NotChecked=0, Total=552 [2020-10-29 12:00:49,987 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 24 states. [2020-10-29 12:00:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:51,147 INFO L93 Difference]: Finished difference Result 77 states and 78 transitions. [2020-10-29 12:00:51,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 12:00:51,148 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 134 [2020-10-29 12:00:51,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:51,149 INFO L225 Difference]: With dead ends: 77 [2020-10-29 12:00:51,149 INFO L226 Difference]: Without dead ends: 72 [2020-10-29 12:00:51,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=640, Invalid=1252, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 12:00:51,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-29 12:00:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-29 12:00:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-29 12:00:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-29 12:00:51,156 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 134 [2020-10-29 12:00:51,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:51,157 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-29 12:00:51,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-29 12:00:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-29 12:00:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 12:00:51,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:51,158 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:51,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-29 12:00:51,158 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:51,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash -277020308, now seen corresponding path program 18 times [2020-10-29 12:00:51,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:51,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665730029] [2020-10-29 12:00:51,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:51,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:51,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:51,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-29 12:00:51,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-29 12:00:51,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:51,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 12:00:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:00:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-29 12:00:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:52,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:52,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:52,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:52,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:52,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:52,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:00:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:52,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:52,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:00:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:52,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:52,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:53,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:00:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:53,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:53,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:53,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:00:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:53,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:54,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:54,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:00:54,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:54,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-29 12:00:54,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:54,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:54,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:00:54,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:54,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:00:54,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:54,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:54,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:00:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:00:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:54,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:54,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 310 [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:00:55,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:55,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:55,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:55,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:00:55,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:55,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:00:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:55,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:55,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:55,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:00:55,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-29 12:00:55,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:55,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:00:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:00:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:55,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:55,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:00:56,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:56,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:56,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:00:56,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-29 12:00:56,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:00:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:00:56,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:56,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:56,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:00:56,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 12:00:56,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:00:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:00:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:56,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:00:56,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 12:00:56,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:00:56,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:00:56,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:56,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:00:56,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 12:00:56,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:00:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:00:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:56,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:56,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:00:56,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 12:00:56,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:00:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:00:56,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:56,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:00:56,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:00:56,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:00:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:00:56,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:56,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:56,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:56,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:00:56,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:56,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 12:00:56,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:56,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:00:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:00:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:57,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:57,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:57,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:57,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:00:57,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:00:57,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:57,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:00:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:00:57,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:57,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:57,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:00:57,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:57,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 12:00:57,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:57,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:00:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:00:57,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:57,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:00:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:57,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:57,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:57,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:00:57,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:57,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:00:57,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:57,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:00:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:00:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 157 proven. 546 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2020-10-29 12:00:57,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665730029] [2020-10-29 12:00:57,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:00:57,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 12:00:57,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687799114] [2020-10-29 12:00:57,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 12:00:57,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:00:57,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 12:00:57,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=381, Unknown=0, NotChecked=0, Total=600 [2020-10-29 12:00:57,256 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 25 states. [2020-10-29 12:00:58,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:00:58,505 INFO L93 Difference]: Finished difference Result 80 states and 81 transitions. [2020-10-29 12:00:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 12:00:58,505 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 141 [2020-10-29 12:00:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:00:58,506 INFO L225 Difference]: With dead ends: 80 [2020-10-29 12:00:58,506 INFO L226 Difference]: Without dead ends: 75 [2020-10-29 12:00:58,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=703, Invalid=1367, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 12:00:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-29 12:00:58,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-29 12:00:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-29 12:00:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-29 12:00:58,512 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 141 [2020-10-29 12:00:58,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:00:58,513 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-29 12:00:58,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 12:00:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-29 12:00:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-29 12:00:58,514 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:00:58,514 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:00:58,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-29 12:00:58,514 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:00:58,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:00:58,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1283861075, now seen corresponding path program 19 times [2020-10-29 12:00:58,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:00:58,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513676504] [2020-10-29 12:00:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:00:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 12:00:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:00:59,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-29 12:00:59,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:00:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:59,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:00:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:00:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:00:59,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:00:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:00:59,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:00,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:00,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:01:00,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:00,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 702 [2020-10-29 12:01:00,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:00,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:00,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 12:01:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:01:00,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:00,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:00,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:00,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:00,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:01:00,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:00,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-29 12:01:00,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:00,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:01:00,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:00,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:01:00,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:00,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:00,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:01,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:01,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:01:01,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:01,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-29 12:01:01,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:01,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:01:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:01:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:01,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:01,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:02,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 543 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:01:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:02,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:02,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:01:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:02,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:02,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:01:03,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:03,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:01:03,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:03,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:03,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:03,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:01:03,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:03,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:03,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:03,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:01:03,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:03,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-29 12:01:03,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:03,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:01:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:01:03,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:03,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:03,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:04,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:04,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:01:04,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:04,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-29 12:01:04,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:04,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:01:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:01:04,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:04,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:04,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:04,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:04,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:01:04,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-29 12:01:04,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:04,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:01:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:01:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:04,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:04,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:04,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:01:04,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:04,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-29 12:01:04,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:04,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:01:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:01:04,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:04,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:04,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:04,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:01:04,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:04,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 12:01:04,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:04,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:01:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:01:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:04,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:04,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:04,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:04,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:01:04,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:04,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:01:04,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:04,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:01:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:04,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:01:04,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:04,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:04,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:01:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:01:05,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 12:01:05,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:01:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:01:05,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:05,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 12:01:05,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:01:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:05,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:01:05,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 12:01:05,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:01:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:01:05,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:05,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:01:05,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:01:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:01:05,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:01:05,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:01:05,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:05,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:01:05,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:05,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:05,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:05,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:05,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:05,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:05,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:05,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 87 proven. 723 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2020-10-29 12:01:05,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513676504] [2020-10-29 12:01:05,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:05,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-29 12:01:05,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825190606] [2020-10-29 12:01:05,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-29 12:01:05,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:05,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-29 12:01:05,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=410, Unknown=0, NotChecked=0, Total=650 [2020-10-29 12:01:05,562 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 26 states. [2020-10-29 12:01:06,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:06,809 INFO L93 Difference]: Finished difference Result 83 states and 84 transitions. [2020-10-29 12:01:06,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 12:01:06,810 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 148 [2020-10-29 12:01:06,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:06,811 INFO L225 Difference]: With dead ends: 83 [2020-10-29 12:01:06,812 INFO L226 Difference]: Without dead ends: 78 [2020-10-29 12:01:06,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=769, Invalid=1487, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 12:01:06,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-29 12:01:06,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-29 12:01:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-29 12:01:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-10-29 12:01:06,818 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 148 [2020-10-29 12:01:06,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:06,819 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-10-29 12:01:06,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-29 12:01:06,819 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-10-29 12:01:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-29 12:01:06,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:06,820 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:06,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-29 12:01:06,820 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:06,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:06,821 INFO L82 PathProgramCache]: Analyzing trace with hash 820211546, now seen corresponding path program 20 times [2020-10-29 12:01:06,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:06,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342685744] [2020-10-29 12:01:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:06,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:07,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:07,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-29 12:01:07,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:07,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-10-29 12:01:07,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:07,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 12:01:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:01:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-29 12:01:07,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:07,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:01:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:07,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:07,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:07,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:07,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:07,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:01:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:07,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:08,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-29 12:01:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:08,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:09,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 760 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:01:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:09,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:10,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:10,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:01:10,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:10,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 710 [2020-10-29 12:01:10,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:10,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:10,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:01:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:01:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:10,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:10,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:11,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:11,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:01:11,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:11,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-10-29 12:01:11,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:11,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:11,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:01:11,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:11,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:01:11,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:11,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:11,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:11,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:11,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:01:11,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:11,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-29 12:01:11,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:11,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:01:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:01:11,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:11,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:11,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:12,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:12,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:01:12,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-29 12:01:12,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:12,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:01:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:01:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:12,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:12,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:12,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:01:12,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-29 12:01:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:12,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:01:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:01:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:12,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:12,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:12,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:12,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:01:12,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:13,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:13,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:13,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:13,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:01:13,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:13,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-29 12:01:13,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:13,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:01:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:01:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:13,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:01:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-29 12:01:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:13,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:01:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:01:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:13,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:13,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:13,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:01:13,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-29 12:01:13,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:13,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:01:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:01:13,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:01:14,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-29 12:01:14,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:01:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:01:14,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:01:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:01:14,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 12:01:14,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:01:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:01:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:01:14,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:01:14,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 12:01:14,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:01:14,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:01:14,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:14,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 12:01:14,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:01:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:14,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:01:14,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 12:01:14,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:01:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:01:14,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:01:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:01:14,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:01:14,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:01:14,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:14,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:14,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:14,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:14,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:14,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:14,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:14,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 126 proven. 780 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2020-10-29 12:01:15,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342685744] [2020-10-29 12:01:15,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:15,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-29 12:01:15,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976616143] [2020-10-29 12:01:15,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-29 12:01:15,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:15,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-29 12:01:15,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=440, Unknown=0, NotChecked=0, Total=702 [2020-10-29 12:01:15,117 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 27 states. [2020-10-29 12:01:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:16,497 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2020-10-29 12:01:16,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 12:01:16,498 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 155 [2020-10-29 12:01:16,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:16,499 INFO L225 Difference]: With dead ends: 86 [2020-10-29 12:01:16,500 INFO L226 Difference]: Without dead ends: 81 [2020-10-29 12:01:16,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=838, Invalid=1612, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 12:01:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-29 12:01:16,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-29 12:01:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-29 12:01:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-29 12:01:16,507 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 155 [2020-10-29 12:01:16,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:16,507 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-29 12:01:16,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-29 12:01:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-29 12:01:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-29 12:01:16,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:16,509 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:16,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-29 12:01:16,509 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:16,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2064923967, now seen corresponding path program 21 times [2020-10-29 12:01:16,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:16,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766160826] [2020-10-29 12:01:16,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:16,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:17,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:17,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-29 12:01:17,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:17,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1225 [2020-10-29 12:01:17,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:17,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 12:01:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:01:17,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-29 12:01:17,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:01:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:17,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:17,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:17,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:01:17,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:17,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:17,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:17,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:17,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:17,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:17,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:01:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:17,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 946 [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 12:01:18,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-29 12:01:18,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:18,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:19,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:19,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 12:01:19,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:19,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 873 [2020-10-29 12:01:19,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:19,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:19,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:01:19,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:19,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-29 12:01:19,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:19,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:19,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:20,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:20,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:01:20,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-29 12:01:20,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:20,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:01:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:01:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:20,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:21,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:21,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:01:21,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 675 [2020-10-29 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:01:21,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:21,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:21,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:21,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:21,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:01:21,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:21,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 593 [2020-10-29 12:01:21,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:21,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:01:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:01:21,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:21,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:21,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:22,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:22,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:01:22,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-10-29 12:01:22,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:22,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:22,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:01:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:22,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:01:22,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:22,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:22,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:01:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-29 12:01:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:23,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:01:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:01:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:23,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:23,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:23,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:23,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:01:23,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:23,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-29 12:01:23,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:23,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:01:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:01:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:23,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:01:24,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-29 12:01:24,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:01:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:01:24,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:01:24,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-29 12:01:24,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:24,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:24,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:01:24,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:01:24,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:24,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:24,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:24,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:01:24,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:24,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-29 12:01:25,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:01:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:01:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:01:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:01:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 12:01:25,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:01:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:01:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:01:25,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 12:01:25,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:01:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:01:25,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:01:25,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:01:25,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 12:01:25,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:01:25,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:01:25,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:25,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:25,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:01:25,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:25,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 12:01:25,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:25,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:25,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:01:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:25,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:01:25,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:25,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:26,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:26,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:26,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 12:01:26,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:26,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:01:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:26,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:26,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:26,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:01:26,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 12:01:26,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:26,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:01:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:26,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:01:26,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:26,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:26,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:26,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:01:26,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:26,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:01:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:01:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:26,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:26,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:26,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:01:26,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:01:26,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:26,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:01:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:26,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:26,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:26,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:26,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:26,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:26,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:26,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 174 proven. 818 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2020-10-29 12:01:26,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766160826] [2020-10-29 12:01:26,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:26,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-29 12:01:26,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362046573] [2020-10-29 12:01:26,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-29 12:01:26,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:26,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-29 12:01:26,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=471, Unknown=0, NotChecked=0, Total=756 [2020-10-29 12:01:26,456 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 28 states. [2020-10-29 12:01:27,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:27,913 INFO L93 Difference]: Finished difference Result 89 states and 90 transitions. [2020-10-29 12:01:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 12:01:27,914 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 162 [2020-10-29 12:01:27,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:27,915 INFO L225 Difference]: With dead ends: 89 [2020-10-29 12:01:27,915 INFO L226 Difference]: Without dead ends: 84 [2020-10-29 12:01:27,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=910, Invalid=1742, Unknown=0, NotChecked=0, Total=2652 [2020-10-29 12:01:27,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-29 12:01:27,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-29 12:01:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-29 12:01:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-29 12:01:27,923 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 162 [2020-10-29 12:01:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:27,923 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-29 12:01:27,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-29 12:01:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-29 12:01:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-29 12:01:27,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:27,925 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:27,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-29 12:01:27,925 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:27,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:27,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1646066248, now seen corresponding path program 22 times [2020-10-29 12:01:27,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:27,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728600953] [2020-10-29 12:01:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:27,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:29,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1243 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-29 12:01:29,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:01:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:29,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:29,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:01:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:29,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:30,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:30,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1092 [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-29 12:01:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:30,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:31,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:31,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 12:01:31,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:31,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-29 12:01:31,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:31,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:01:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:31,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-29 12:01:31,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:31,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:31,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:32,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-29 12:01:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:32,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:32,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:33,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:33,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:01:33,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:33,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 820 [2020-10-29 12:01:33,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:33,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:01:33,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:33,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:01:33,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:33,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:33,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:33,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:01:33,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-29 12:01:33,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:33,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:01:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:01:33,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:34,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:34,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:34,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:01:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:34,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:34,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:01:35,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:01:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:35,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:35,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:35,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:01:35,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:35,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-29 12:01:35,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:35,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:01:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:01:35,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:35,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:35,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:36,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:01:36,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:36,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-29 12:01:36,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:36,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:01:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:01:36,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:36,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:36,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:01:36,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:36,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:36,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:36,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:01:36,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:36,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-29 12:01:36,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:36,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:01:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:01:36,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:36,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:37,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:01:37,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-29 12:01:37,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:37,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:01:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:01:37,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:37,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:37,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:37,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:01:37,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:37,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-29 12:01:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:37,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:01:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:01:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:37,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:37,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:01:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:37,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:37,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:01:37,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:37,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:37,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:01:37,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 12:01:37,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:37,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:01:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:01:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:38,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:38,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:38,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:38,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:01:38,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:38,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 12:01:38,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:38,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:01:38,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:38,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:01:38,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:38,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:38,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:38,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:38,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:01:38,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:38,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 12:01:38,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:38,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:01:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:01:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:38,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:38,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:38,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:38,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:38,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:38,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 12:01:38,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:38,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:01:38,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:38,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:38,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:38,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:38,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:38,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:38,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:01:38,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-29 12:01:38,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:38,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:01:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:01:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:38,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:38,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:38,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:38,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:38,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 12:01:38,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:38,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:01:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:38,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:01:38,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:38,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:38,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:38,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:01:38,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 12:01:38,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:38,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:38,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:38,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:01:38,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:38,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:38,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:38,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:38,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:01:38,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:38,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:38,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 225 proven. 872 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2020-10-29 12:01:38,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728600953] [2020-10-29 12:01:38,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:38,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-29 12:01:38,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102130631] [2020-10-29 12:01:38,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-29 12:01:38,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:38,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-29 12:01:38,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=503, Unknown=0, NotChecked=0, Total=812 [2020-10-29 12:01:38,751 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 29 states. [2020-10-29 12:01:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:40,274 INFO L93 Difference]: Finished difference Result 92 states and 93 transitions. [2020-10-29 12:01:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 12:01:40,275 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 169 [2020-10-29 12:01:40,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:40,276 INFO L225 Difference]: With dead ends: 92 [2020-10-29 12:01:40,277 INFO L226 Difference]: Without dead ends: 87 [2020-10-29 12:01:40,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=985, Invalid=1877, Unknown=0, NotChecked=0, Total=2862 [2020-10-29 12:01:40,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-29 12:01:40,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-29 12:01:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 12:01:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-29 12:01:40,284 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 169 [2020-10-29 12:01:40,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:40,284 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-29 12:01:40,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-29 12:01:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-29 12:01:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-29 12:01:40,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:40,286 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:40,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-29 12:01:40,286 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:40,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:40,287 INFO L82 PathProgramCache]: Analyzing trace with hash -149030959, now seen corresponding path program 23 times [2020-10-29 12:01:40,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:40,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113350266] [2020-10-29 12:01:40,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:41,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:41,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-29 12:01:41,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1478 [2020-10-29 12:01:41,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:41,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-29 12:01:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:01:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 215 [2020-10-29 12:01:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:41,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:01:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:41,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:41,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:41,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:01:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:01:41,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:41,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:01:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:41,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:43,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:43,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-29 12:01:43,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:43,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-10-29 12:01:43,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:43,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:43,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-29 12:01:43,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:43,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-29 12:01:43,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:43,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:44,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:44,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 12:01:44,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:44,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1269 [2020-10-29 12:01:44,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:44,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:44,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 12:01:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-29 12:01:44,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:44,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:44,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:45,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:45,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 12:01:45,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:45,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1060 [2020-10-29 12:01:45,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:45,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:01:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-29 12:01:45,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:45,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:46,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:46,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 12:01:46,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:46,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1230 [2020-10-29 12:01:46,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:46,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:01:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:46,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-29 12:01:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:46,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:46,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:47,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:47,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:01:47,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:47,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 831 [2020-10-29 12:01:47,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:47,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:01:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:01:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:47,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:47,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:48,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 759 [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:01:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:48,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:48,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:49,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:49,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:01:49,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-29 12:01:49,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:49,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:49,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:01:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:01:49,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:49,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:49,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:49,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:01:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:50,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:50,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:01:50,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-29 12:01:50,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:50,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:01:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:01:50,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:50,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:50,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:51,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:51,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:01:51,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:51,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-29 12:01:51,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:51,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:01:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:01:51,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:51,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:51,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:51,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:51,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:01:51,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:51,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-29 12:01:51,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:51,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:51,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:01:51,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:51,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:01:51,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:51,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:51,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:51,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:51,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:01:51,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:51,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-29 12:01:51,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:51,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:01:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:01:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:51,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:52,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:52,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:01:52,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:52,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 264 [2020-10-29 12:01:52,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:52,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:52,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:01:52,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:01:52,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:52,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:52,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:52,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:52,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:01:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:52,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:52,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:52,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:52,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:01:52,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:52,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-29 12:01:52,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:52,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:52,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:01:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:01:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:52,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:52,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:52,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:52,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:01:52,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:52,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-29 12:01:52,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:52,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:01:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:52,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:01:52,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:52,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:01:53,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 12:01:53,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:01:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:01:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:53,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:01:53,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 12:01:53,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:01:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:01:53,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:01:53,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 12:01:53,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:01:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:01:53,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:01:53,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 12:01:53,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:01:53,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:01:53,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:01:53,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:01:53,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:01:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:01:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:01:53,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:01:53,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:01:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:01:53,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:01:53,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:01:53,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:01:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:01:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:53,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:53,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:53,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:01:53,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 12:01:53,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:53,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:01:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:01:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:01:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 162 proven. 986 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2020-10-29 12:01:53,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113350266] [2020-10-29 12:01:53,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:01:53,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 12:01:53,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709454459] [2020-10-29 12:01:53,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 12:01:53,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:01:53,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 12:01:53,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=536, Unknown=0, NotChecked=0, Total=870 [2020-10-29 12:01:53,881 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 30 states. [2020-10-29 12:01:55,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:01:55,462 INFO L93 Difference]: Finished difference Result 95 states and 96 transitions. [2020-10-29 12:01:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 12:01:55,462 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 176 [2020-10-29 12:01:55,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:01:55,464 INFO L225 Difference]: With dead ends: 95 [2020-10-29 12:01:55,464 INFO L226 Difference]: Without dead ends: 90 [2020-10-29 12:01:55,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1063, Invalid=2017, Unknown=0, NotChecked=0, Total=3080 [2020-10-29 12:01:55,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-29 12:01:55,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-29 12:01:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-29 12:01:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-29 12:01:55,472 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 176 [2020-10-29 12:01:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:01:55,472 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-29 12:01:55,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 12:01:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-29 12:01:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-29 12:01:55,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:01:55,474 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:01:55,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-29 12:01:55,474 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:01:55,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:01:55,474 INFO L82 PathProgramCache]: Analyzing trace with hash -802373066, now seen corresponding path program 24 times [2020-10-29 12:01:55,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:01:55,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105437036] [2020-10-29 12:01:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:01:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:55,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1576 [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-29 12:01:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:01:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-29 12:01:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:57,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:01:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:57,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:01:57,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:57,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:01:57,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:57,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:01:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:57,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:01:58,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:01:58,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 12:01:58,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:01:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1392 [2020-10-29 12:01:58,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:01:58,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:01:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-29 12:01:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:01:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-29 12:01:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:01:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:01:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:01:58,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-29 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1630 [2020-10-29 12:02:00,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-29 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-29 12:02:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:00,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1122 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-29 12:02:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:01,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:02,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:02,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 12:02:02,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:02,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-10-29 12:02:02,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:02,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:02:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-29 12:02:02,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:02,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:02,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:03,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:03,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 12:02:03,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:03,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 972 [2020-10-29 12:02:03,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:03,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:03,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:02:03,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:03,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-29 12:02:03,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:03,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:03,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:04,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:04,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:02:04,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:04,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 878 [2020-10-29 12:02:04,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:04,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:02:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:02:04,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:04,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:05,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:05,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:02:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:05,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:05,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:06,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 738 [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:06,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:02:06,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:06,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:06,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:06,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:06,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:02:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:06,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:07,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:07,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:02:07,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-29 12:02:07,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:07,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:02:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:02:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:07,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:07,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:07,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:02:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:07,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:08,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:08,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:02:08,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:08,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:08,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:02:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:08,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:08,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:08,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:02:08,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-29 12:02:08,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:08,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:02:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:02:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:08,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:08,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:09,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:09,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:02:09,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:09,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-29 12:02:09,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:09,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:09,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:02:09,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:09,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:02:09,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:09,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:09,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:09,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:09,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:02:09,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:09,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-29 12:02:09,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:09,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:02:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:02:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:09,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:02:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:02:09,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:09,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:09,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:02:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:09,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:09,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:02:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:09,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:02:09,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:09,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:09,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:09,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:02:09,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:09,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 12:02:09,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:09,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:02:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:02:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:09,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 12:02:09,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:09,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:02:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:02:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:10,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:10,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:02:10,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 12:02:10,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:10,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:02:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:02:10,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:10,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:10,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:10,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:10,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:10,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 12:02:10,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:10,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:10,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:02:10,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:02:10,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:10,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:10,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:10,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:02:10,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:10,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:02:10,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:10,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:02:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:02:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:10,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:10,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:10,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:10,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:10,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:10,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:10,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:10,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:02:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:02:10,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 123 proven. 1117 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2020-10-29 12:02:10,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105437036] [2020-10-29 12:02:10,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:02:10,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-29 12:02:10,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847646985] [2020-10-29 12:02:10,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-29 12:02:10,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:02:10,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-29 12:02:10,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2020-10-29 12:02:10,494 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 31 states. [2020-10-29 12:02:12,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:02:12,201 INFO L93 Difference]: Finished difference Result 98 states and 99 transitions. [2020-10-29 12:02:12,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-29 12:02:12,202 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 183 [2020-10-29 12:02:12,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:02:12,203 INFO L225 Difference]: With dead ends: 98 [2020-10-29 12:02:12,203 INFO L226 Difference]: Without dead ends: 93 [2020-10-29 12:02:12,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1144, Invalid=2162, Unknown=0, NotChecked=0, Total=3306 [2020-10-29 12:02:12,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-29 12:02:12,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-29 12:02:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-29 12:02:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2020-10-29 12:02:12,211 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 183 [2020-10-29 12:02:12,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:02:12,211 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2020-10-29 12:02:12,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-29 12:02:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2020-10-29 12:02:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-29 12:02:12,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:02:12,213 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:02:12,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-29 12:02:12,213 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:02:12,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:02:12,214 INFO L82 PathProgramCache]: Analyzing trace with hash 751035747, now seen corresponding path program 25 times [2020-10-29 12:02:12,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:02:12,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35408036] [2020-10-29 12:02:12,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:02:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:12,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:13,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:13,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-29 12:02:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1677 [2020-10-29 12:02:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:13,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-29 12:02:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:02:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-29 12:02:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:13,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:02:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:13,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:02:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:14,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:02:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:14,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1501 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-29 12:02:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:15,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1284 [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-29 12:02:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:16,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-29 12:02:16,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:16,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:16,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:18,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:18,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-29 12:02:18,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:18,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1220 [2020-10-29 12:02:18,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:18,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-29 12:02:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:18,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-29 12:02:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:18,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:18,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:19,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:19,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1145 [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-29 12:02:19,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:19,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:20,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-29 12:02:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:20,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:20,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 897 [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:02:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:21,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-29 12:02:21,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:21,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:21,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:02:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 840 [2020-10-29 12:02:22,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:22,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:02:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:02:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:22,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:22,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 779 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:02:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:23,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:23,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:23,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:23,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:02:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:23,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:23,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:24,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:02:24,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-10-29 12:02:24,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:24,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:02:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:02:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:24,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:24,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:24,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:24,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:02:24,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:24,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-29 12:02:24,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:24,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:02:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:02:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:24,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:25,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:25,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:02:25,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:25,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-29 12:02:25,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:25,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:02:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:02:25,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:25,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:25,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:25,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:02:25,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:25,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-29 12:02:25,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:25,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:25,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:02:25,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:25,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:02:25,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:25,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:25,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:26,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:26,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:02:26,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:26,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:26,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:26,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:26,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:02:26,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:26,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:26,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:26,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:26,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:02:26,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-29 12:02:26,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:26,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:02:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:02:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:26,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:27,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:27,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:02:27,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:27,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-29 12:02:27,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:27,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:27,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:02:27,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:27,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:02:27,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:27,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:27,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:27,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:27,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:02:27,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:27,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-29 12:02:27,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:27,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:02:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:02:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:27,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:27,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:27,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:27,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:02:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 12:02:27,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:27,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:02:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:02:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:27,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:27,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:27,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:27,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:02:27,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-29 12:02:27,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:27,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:02:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:02:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:02:27,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:27,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:27,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:27,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:02:27,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:27,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-29 12:02:27,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:27,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:02:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:02:27,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:02:27,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:27,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:27,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:27,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:27,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 12:02:27,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:27,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:02:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:02:27,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:27,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:27,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:27,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:27,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:02:27,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:27,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:02:27,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:27,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:27,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:02:27,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:02:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:27,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:28,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:28,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:28,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:28,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:02:28,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:28,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:02:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:02:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:28,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:02:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:02:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:28,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:02:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:02:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:28,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:28,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:28,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:28,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:28,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:28,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:02:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:02:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 127 proven. 1316 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2020-10-29 12:02:28,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35408036] [2020-10-29 12:02:28,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:02:28,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-29 12:02:28,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740276772] [2020-10-29 12:02:28,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-29 12:02:28,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:02:28,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-29 12:02:28,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=663, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 12:02:28,498 INFO L87 Difference]: Start difference. First operand 93 states and 94 transitions. Second operand 33 states. [2020-10-29 12:02:30,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:02:30,217 INFO L93 Difference]: Finished difference Result 101 states and 102 transitions. [2020-10-29 12:02:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-29 12:02:30,218 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 190 [2020-10-29 12:02:30,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:02:30,219 INFO L225 Difference]: With dead ends: 101 [2020-10-29 12:02:30,219 INFO L226 Difference]: Without dead ends: 96 [2020-10-29 12:02:30,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1261, Invalid=2399, Unknown=0, NotChecked=0, Total=3660 [2020-10-29 12:02:30,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-29 12:02:30,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-10-29 12:02:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-29 12:02:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2020-10-29 12:02:30,226 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 190 [2020-10-29 12:02:30,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:02:30,226 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2020-10-29 12:02:30,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-29 12:02:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2020-10-29 12:02:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-29 12:02:30,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:02:30,228 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:02:30,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-29 12:02:30,228 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:02:30,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:02:30,229 INFO L82 PathProgramCache]: Analyzing trace with hash 422962980, now seen corresponding path program 26 times [2020-10-29 12:02:30,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:02:30,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554508065] [2020-10-29 12:02:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:02:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:30,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1924 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 242 [2020-10-29 12:02:32,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:32,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:02:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:32,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:32,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:32,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:02:32,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:32,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:02:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:32,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:33,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:33,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-29 12:02:33,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:33,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1630 [2020-10-29 12:02:33,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:33,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-29 12:02:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-29 12:02:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:33,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:33,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:35,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1539 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 232 [2020-10-29 12:02:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:35,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:35,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:37,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:37,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 12:02:37,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1439 [2020-10-29 12:02:37,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:37,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-29 12:02:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-29 12:02:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:37,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:37,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:38,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1315 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-29 12:02:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:38,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:38,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:39,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-29 12:02:39,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:39,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:39,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:40,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:40,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 12:02:40,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:40,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1088 [2020-10-29 12:02:40,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:40,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:40,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 12:02:40,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:40,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-29 12:02:40,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:40,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:40,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 975 [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 12:02:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-29 12:02:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:41,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:42,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:42,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 12:02:42,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 844 [2020-10-29 12:02:42,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:42,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 12:02:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-29 12:02:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:42,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:42,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:43,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:43,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 12:02:43,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:43,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 819 [2020-10-29 12:02:43,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:43,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 12:02:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 12:02:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:43,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:43,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:44,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:44,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 12:02:44,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-10-29 12:02:44,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:44,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 12:02:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:44,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 12:02:44,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:44,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:44,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:44,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 12:02:44,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:44,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-29 12:02:44,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:44,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 12:02:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 12:02:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:44,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:45,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:45,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 12:02:45,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:45,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-29 12:02:45,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:45,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 12:02:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-29 12:02:45,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:45,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:45,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:45,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:45,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 12:02:45,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-29 12:02:45,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:45,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 12:02:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 12:02:45,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:46,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:46,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 12:02:46,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-29 12:02:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:46,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 12:02:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 12:02:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:46,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:46,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:46,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:46,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 12:02:46,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:46,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-29 12:02:46,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:46,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:46,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 12:02:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:46,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 12:02:46,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:46,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:47,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:47,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 12:02:47,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-29 12:02:47,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:47,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 12:02:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-29 12:02:47,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:47,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:47,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:47,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 12:02:47,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:47,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-29 12:02:47,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:47,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 12:02:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 12:02:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:02:47,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:47,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:47,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 12:02:47,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:47,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-10-29 12:02:47,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:47,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 12:02:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 12:02:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:47,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:47,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 12:02:48,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-29 12:02:48,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 12:02:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 12:02:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:48,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 12:02:48,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 12:02:48,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 12:02:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 12:02:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:48,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:48,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 12:02:48,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 12:02:48,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 12:02:48,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 12:02:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:48,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:48,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 12:02:48,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 12:02:48,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 12:02:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 12:02:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:02:48,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:48,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 12:02:48,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 12:02:48,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 12:02:48,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 12:02:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 12:02:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 12:02:48,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 12:02:48,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 12:02:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 12:02:48,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:48,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:48,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 12:02:48,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 12:02:48,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 12:02:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 12:02:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:48,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:48,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:48,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 12:02:48,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:48,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 12:02:48,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:48,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 12:02:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 12:02:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:49,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 12:02:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:49,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:49,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:49,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 12:02:49,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:49,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 12:02:49,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:49,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 12:02:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 12:02:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 218 proven. 1285 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2020-10-29 12:02:49,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554508065] [2020-10-29 12:02:49,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 12:02:49,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-29 12:02:49,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493636040] [2020-10-29 12:02:49,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-29 12:02:49,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 12:02:49,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-29 12:02:49,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=641, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 12:02:49,334 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand 33 states. [2020-10-29 12:02:51,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 12:02:51,211 INFO L93 Difference]: Finished difference Result 104 states and 105 transitions. [2020-10-29 12:02:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 12:02:51,211 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 197 [2020-10-29 12:02:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 12:02:51,213 INFO L225 Difference]: With dead ends: 104 [2020-10-29 12:02:51,213 INFO L226 Difference]: Without dead ends: 99 [2020-10-29 12:02:51,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1315, Invalid=2467, Unknown=0, NotChecked=0, Total=3782 [2020-10-29 12:02:51,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-29 12:02:51,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-10-29 12:02:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-29 12:02:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2020-10-29 12:02:51,221 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 100 transitions. Word has length 197 [2020-10-29 12:02:51,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 12:02:51,222 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 100 transitions. [2020-10-29 12:02:51,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-29 12:02:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2020-10-29 12:02:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-29 12:02:51,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 12:02:51,226 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 12:02:51,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-29 12:02:51,226 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 12:02:51,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 12:02:51,227 INFO L82 PathProgramCache]: Analyzing trace with hash 85124597, now seen corresponding path program 27 times [2020-10-29 12:02:51,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 12:02:51,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651482087] [2020-10-29 12:02:51,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 12:02:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:51,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:53,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2129 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-29 12:02:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:53,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 12:02:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:53,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 12:02:53,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 12:02:53,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 12:02:53,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 12:02:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 12:02:53,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 12:02:53,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 12:02:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 12:02:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 12:02:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 12:02:53,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 12:02:53,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 12:02:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 12:02:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking...