/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/array-examples/standard_vararg_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 03:49:47,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 03:49:47,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 03:49:47,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 03:49:47,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 03:49:47,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 03:49:47,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 03:49:47,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 03:49:47,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 03:49:47,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 03:49:47,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 03:49:47,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 03:49:47,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 03:49:47,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 03:49:47,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 03:49:47,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 03:49:47,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 03:49:47,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 03:49:47,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 03:49:47,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 03:49:47,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 03:49:47,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 03:49:47,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 03:49:47,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 03:49:47,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 03:49:47,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 03:49:47,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 03:49:47,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 03:49:47,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 03:49:47,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 03:49:47,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 03:49:47,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 03:49:47,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 03:49:47,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 03:49:47,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 03:49:47,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 03:49:47,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 03:49:47,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 03:49:47,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 03:49:47,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 03:49:47,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 03:49:47,138 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 03:49:47,192 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 03:49:47,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 03:49:47,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 03:49:47,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 03:49:47,197 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 03:49:47,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 03:49:47,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 03:49:47,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 03:49:47,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 03:49:47,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 03:49:47,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 03:49:47,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 03:49:47,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 03:49:47,199 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 03:49:47,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 03:49:47,200 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 03:49:47,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 03:49:47,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 03:49:47,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 03:49:47,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 03:49:47,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 03:49:47,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 03:49:47,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 03:49:47,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 03:49:47,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 03:49:47,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 03:49:47,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 03:49:47,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 03:49:47,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 03:49:47,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 03:49:47,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 03:49:47,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 03:49:47,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 03:49:47,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 03:49:47,619 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 03:49:47,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_vararg_ground.i [2020-10-29 03:49:47,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dcab9821/dc8169906be24879aa90d4993821d4e1/FLAG78331c111 [2020-10-29 03:49:48,415 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 03:49:48,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/standard_vararg_ground.i [2020-10-29 03:49:48,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dcab9821/dc8169906be24879aa90d4993821d4e1/FLAG78331c111 [2020-10-29 03:49:48,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6dcab9821/dc8169906be24879aa90d4993821d4e1 [2020-10-29 03:49:48,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 03:49:48,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 03:49:48,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 03:49:48,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 03:49:48,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 03:49:48,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:49:48" (1/1) ... [2020-10-29 03:49:48,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113598a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:48, skipping insertion in model container [2020-10-29 03:49:48,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:49:48" (1/1) ... [2020-10-29 03:49:48,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 03:49:48,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 03:49:49,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:49:49,011 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 03:49:49,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 03:49:49,052 INFO L208 MainTranslator]: Completed translation [2020-10-29 03:49:49,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49 WrapperNode [2020-10-29 03:49:49,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 03:49:49,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 03:49:49,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 03:49:49,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 03:49:49,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (1/1) ... [2020-10-29 03:49:49,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (1/1) ... [2020-10-29 03:49:49,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (1/1) ... [2020-10-29 03:49:49,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (1/1) ... [2020-10-29 03:49:49,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (1/1) ... [2020-10-29 03:49:49,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (1/1) ... [2020-10-29 03:49:49,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (1/1) ... [2020-10-29 03:49:49,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 03:49:49,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 03:49:49,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 03:49:49,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 03:49:49,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (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 03:49:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 03:49:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 03:49:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 03:49:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-29 03:49:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 03:49:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 03:49:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 03:49:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 03:49:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 03:49:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 03:49:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 03:49:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 03:49:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 03:49:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 03:49:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 03:49:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 03:49:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 03:49:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 03:49:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 03:49:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 03:49:49,478 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 03:49:49,479 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-29 03:49:49,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:49 BoogieIcfgContainer [2020-10-29 03:49:49,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 03:49:49,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 03:49:49,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 03:49:49,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 03:49:49,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:49:48" (1/3) ... [2020-10-29 03:49:49,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54139f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:49:49, skipping insertion in model container [2020-10-29 03:49:49,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:49:49" (2/3) ... [2020-10-29 03:49:49,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54139f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:49:49, skipping insertion in model container [2020-10-29 03:49:49,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:49:49" (3/3) ... [2020-10-29 03:49:49,523 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_vararg_ground.i [2020-10-29 03:49:49,575 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 03:49:49,591 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 03:49:49,639 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 03:49:49,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 03:49:49,708 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 03:49:49,708 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 03:49:49,709 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 03:49:49,709 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 03:49:49,709 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 03:49:49,709 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 03:49:49,709 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 03:49:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-29 03:49:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 03:49:49,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:49,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:49,757 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:49,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:49,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1480223449, now seen corresponding path program 1 times [2020-10-29 03:49:49,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:49,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772068221] [2020-10-29 03:49:49,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:50,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:50,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:50,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:50,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 03:49:50,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 03:49:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-29 03:49:50,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:50,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:50,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 03:49:50,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 03:49:50,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 03:49:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:50,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:50,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:50,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:50,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:50,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 03:49:50,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:50,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:50,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:50,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:50,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:50,788 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 03:49:50,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772068221] [2020-10-29 03:49:50,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 03:49:50,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 03:49:50,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4993535] [2020-10-29 03:49:50,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 03:49:50,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:50,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 03:49:50,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 03:49:50,839 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-10-29 03:49:50,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:50,985 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2020-10-29 03:49:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 03:49:50,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-29 03:49:50,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:50,997 INFO L225 Difference]: With dead ends: 58 [2020-10-29 03:49:50,997 INFO L226 Difference]: Without dead ends: 25 [2020-10-29 03:49:51,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 03:49:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-29 03:49:51,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-29 03:49:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-29 03:49:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-10-29 03:49:51,053 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 16 [2020-10-29 03:49:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:51,054 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-10-29 03:49:51,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 03:49:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-10-29 03:49:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-29 03:49:51,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:51,055 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:51,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 03:49:51,056 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:51,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:51,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1653545630, now seen corresponding path program 1 times [2020-10-29 03:49:51,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:51,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976287431] [2020-10-29 03:49:51,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:51,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:51,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:51,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:51,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 03:49:51,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-29 03:49:51,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:51,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 03:49:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 03:49:51,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:51,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:51,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:51,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:51,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:51,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:51,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 03:49:51,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:51,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:51,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:51,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:51,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:51,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 03:49:51,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976287431] [2020-10-29 03:49:51,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:51,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 03:49:51,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93595152] [2020-10-29 03:49:51,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 03:49:51,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:51,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 03:49:51,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-29 03:49:51,603 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 10 states. [2020-10-29 03:49:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:51,956 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2020-10-29 03:49:51,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 03:49:51,957 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-10-29 03:49:51,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:51,958 INFO L225 Difference]: With dead ends: 37 [2020-10-29 03:49:51,958 INFO L226 Difference]: Without dead ends: 33 [2020-10-29 03:49:51,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2020-10-29 03:49:51,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-29 03:49:51,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2020-10-29 03:49:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-29 03:49:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-10-29 03:49:51,972 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 19 [2020-10-29 03:49:51,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:51,972 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-10-29 03:49:51,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 03:49:51,973 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-10-29 03:49:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-29 03:49:51,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:51,974 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:51,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 03:49:51,974 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:51,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:51,975 INFO L82 PathProgramCache]: Analyzing trace with hash -824837956, now seen corresponding path program 1 times [2020-10-29 03:49:51,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:51,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270765648] [2020-10-29 03:49:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:51,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:52,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:52,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:52,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 03:49:52,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:52,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-10-29 03:49:52,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:52,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:52,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 03:49:52,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:52,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 03:49:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:52,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:52,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:52,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:52,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:52,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:49:52,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:52,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:52,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:52,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 03:49:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:52,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:52,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:52,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:52,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 03:49:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:52,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 03:49:52,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270765648] [2020-10-29 03:49:52,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:52,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 03:49:52,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550846258] [2020-10-29 03:49:52,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 03:49:52,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:52,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 03:49:52,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 03:49:52,347 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 7 states. [2020-10-29 03:49:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:52,487 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2020-10-29 03:49:52,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 03:49:52,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-29 03:49:52,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:52,493 INFO L225 Difference]: With dead ends: 51 [2020-10-29 03:49:52,493 INFO L226 Difference]: Without dead ends: 33 [2020-10-29 03:49:52,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:49:52,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-29 03:49:52,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-29 03:49:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-29 03:49:52,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-10-29 03:49:52,508 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 27 [2020-10-29 03:49:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:52,509 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-10-29 03:49:52,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 03:49:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-10-29 03:49:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 03:49:52,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:52,511 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:52,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 03:49:52,511 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:52,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:52,512 INFO L82 PathProgramCache]: Analyzing trace with hash 944186369, now seen corresponding path program 2 times [2020-10-29 03:49:52,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:52,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23133301] [2020-10-29 03:49:52,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:52,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:52,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:52,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:52,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 03:49:52,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:52,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-29 03:49:52,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:52,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 03:49:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 03:49:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:53,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:53,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:53,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:53,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:49:53,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:53,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:53,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:49:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:53,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:53,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:53,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:53,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:49:53,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:53,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:53,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:53,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 03:49:53,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23133301] [2020-10-29 03:49:53,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:53,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 03:49:53,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078480268] [2020-10-29 03:49:53,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 03:49:53,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:53,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 03:49:53,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-10-29 03:49:53,042 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 12 states. [2020-10-29 03:49:53,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:53,447 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2020-10-29 03:49:53,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 03:49:53,448 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2020-10-29 03:49:53,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:53,449 INFO L225 Difference]: With dead ends: 47 [2020-10-29 03:49:53,449 INFO L226 Difference]: Without dead ends: 43 [2020-10-29 03:49:53,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-29 03:49:53,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-29 03:49:53,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2020-10-29 03:49:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-29 03:49:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2020-10-29 03:49:53,460 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 29 [2020-10-29 03:49:53,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:53,461 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2020-10-29 03:49:53,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 03:49:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2020-10-29 03:49:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-29 03:49:53,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:53,463 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:53,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 03:49:53,463 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:53,464 INFO L82 PathProgramCache]: Analyzing trace with hash -586209189, now seen corresponding path program 3 times [2020-10-29 03:49:53,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:53,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869915983] [2020-10-29 03:49:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:53,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:53,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 03:49:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-29 03:49:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:53,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 03:49:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 03:49:53,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:53,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:53,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:53,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:53,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:53,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:49:53,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:53,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:53,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:53,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 03:49:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:53,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:53,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:53,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:53,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:53,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 03:49:53,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:53,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:53,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:53,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:53,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 03:49:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:53,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:53,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:53,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:53,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:49:53,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:53,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 03:49:53,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869915983] [2020-10-29 03:49:53,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:53,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 03:49:53,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932447243] [2020-10-29 03:49:53,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 03:49:53,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:53,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 03:49:53,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 03:49:53,956 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 9 states. [2020-10-29 03:49:54,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:54,162 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2020-10-29 03:49:54,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 03:49:54,162 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2020-10-29 03:49:54,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:54,164 INFO L225 Difference]: With dead ends: 65 [2020-10-29 03:49:54,164 INFO L226 Difference]: Without dead ends: 43 [2020-10-29 03:49:54,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-29 03:49:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-29 03:49:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-29 03:49:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-29 03:49:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2020-10-29 03:49:54,173 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 37 [2020-10-29 03:49:54,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:54,174 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2020-10-29 03:49:54,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 03:49:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-10-29 03:49:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-29 03:49:54,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:54,175 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:54,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 03:49:54,176 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:54,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:54,176 INFO L82 PathProgramCache]: Analyzing trace with hash 2028650848, now seen corresponding path program 4 times [2020-10-29 03:49:54,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:54,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577259337] [2020-10-29 03:49:54,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:54,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:54,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:54,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:54,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-29 03:49:54,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:54,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-29 03:49:54,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:54,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 03:49:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 03:49:54,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:54,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:54,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:54,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:54,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:54,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:49:54,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:54,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:54,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 03:49:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:54,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:54,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:54,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:54,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:54,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:49:54,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:54,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:54,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 03:49:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:54,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:54,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:54,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:54,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:49:54,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:54,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 03:49:54,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577259337] [2020-10-29 03:49:54,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:54,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 03:49:54,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562276074] [2020-10-29 03:49:54,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 03:49:54,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:54,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 03:49:54,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-10-29 03:49:54,725 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 14 states. [2020-10-29 03:49:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:55,391 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2020-10-29 03:49:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 03:49:55,391 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2020-10-29 03:49:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:55,393 INFO L225 Difference]: With dead ends: 57 [2020-10-29 03:49:55,393 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 03:49:55,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2020-10-29 03:49:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 03:49:55,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2020-10-29 03:49:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-29 03:49:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2020-10-29 03:49:55,404 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 39 [2020-10-29 03:49:55,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:55,404 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2020-10-29 03:49:55,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 03:49:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-10-29 03:49:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 03:49:55,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:55,406 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:55,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 03:49:55,406 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:55,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:55,407 INFO L82 PathProgramCache]: Analyzing trace with hash -936708422, now seen corresponding path program 5 times [2020-10-29 03:49:55,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:55,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292819412] [2020-10-29 03:49:55,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:55,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:55,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:55,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 03:49:55,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:55,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-29 03:49:55,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:55,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 03:49:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 03:49:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:55,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:55,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:55,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:55,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:49:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:55,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:55,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:55,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:55,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 03:49:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:55,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:55,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:55,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:55,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:55,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:49:55,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:55,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:55,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:56,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 03:49:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:56,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:56,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:56,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:56,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:56,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:49:56,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:56,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:56,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 03:49:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:56,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:56,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:56,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:56,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:49:56,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:56,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:56,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:56,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 03:49:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 03:49:56,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292819412] [2020-10-29 03:49:56,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:56,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 03:49:56,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361445814] [2020-10-29 03:49:56,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 03:49:56,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:56,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 03:49:56,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-29 03:49:56,051 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 11 states. [2020-10-29 03:49:56,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:56,335 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2020-10-29 03:49:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 03:49:56,336 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2020-10-29 03:49:56,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:56,339 INFO L225 Difference]: With dead ends: 79 [2020-10-29 03:49:56,339 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 03:49:56,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-29 03:49:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 03:49:56,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-29 03:49:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-29 03:49:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2020-10-29 03:49:56,363 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 47 [2020-10-29 03:49:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:56,365 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2020-10-29 03:49:56,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 03:49:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2020-10-29 03:49:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-29 03:49:56,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:56,371 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:56,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 03:49:56,372 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:56,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:56,373 INFO L82 PathProgramCache]: Analyzing trace with hash 630377855, now seen corresponding path program 6 times [2020-10-29 03:49:56,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:56,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024643277] [2020-10-29 03:49:56,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:56,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:56,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:56,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:56,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 03:49:56,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:56,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-29 03:49:56,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:56,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:56,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 03:49:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 03:49:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:57,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:57,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:57,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:57,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:49:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:57,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:57,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 03:49:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:57,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:57,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:57,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:57,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:49:57,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:57,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:57,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:49:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:57,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:57,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:57,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:57,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:49:57,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:57,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:57,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:57,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:57,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:57,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 03:49:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:57,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:57,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:57,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:57,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:57,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:49:57,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:57,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:57,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 03:49:57,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024643277] [2020-10-29 03:49:57,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:57,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 03:49:57,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813478186] [2020-10-29 03:49:57,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 03:49:57,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:57,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 03:49:57,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2020-10-29 03:49:57,102 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 16 states. [2020-10-29 03:49:57,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:57,859 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2020-10-29 03:49:57,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 03:49:57,862 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2020-10-29 03:49:57,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:57,863 INFO L225 Difference]: With dead ends: 67 [2020-10-29 03:49:57,864 INFO L226 Difference]: Without dead ends: 63 [2020-10-29 03:49:57,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2020-10-29 03:49:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-29 03:49:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2020-10-29 03:49:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-29 03:49:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2020-10-29 03:49:57,874 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 49 [2020-10-29 03:49:57,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:57,875 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2020-10-29 03:49:57,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 03:49:57,875 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-10-29 03:49:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 03:49:57,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:57,879 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:57,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 03:49:57,879 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:57,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:57,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1984984025, now seen corresponding path program 7 times [2020-10-29 03:49:57,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:57,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491696269] [2020-10-29 03:49:57,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:57,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:57,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:58,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:58,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 03:49:58,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:58,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-29 03:49:58,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:58,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 03:49:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 03:49:58,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:58,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:58,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:58,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:58,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:58,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:49:58,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:58,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:58,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:58,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:58,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 03:49:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:58,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:58,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:58,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:49:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:58,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:58,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:49:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:58,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:58,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:58,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:49:58,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:58,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:58,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:58,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 03:49:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:58,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:58,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:58,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:58,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:49:58,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:58,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:58,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:58,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:58,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 03:49:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:58,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:58,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:58,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:58,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:58,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:49:58,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:58,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:58,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:58,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:58,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 03:49:58,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491696269] [2020-10-29 03:49:58,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:58,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 03:49:58,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020866427] [2020-10-29 03:49:58,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 03:49:58,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:58,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 03:49:58,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-29 03:49:58,601 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 13 states. [2020-10-29 03:49:58,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:49:58,912 INFO L93 Difference]: Finished difference Result 93 states and 100 transitions. [2020-10-29 03:49:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 03:49:58,912 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2020-10-29 03:49:58,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:49:58,914 INFO L225 Difference]: With dead ends: 93 [2020-10-29 03:49:58,914 INFO L226 Difference]: Without dead ends: 63 [2020-10-29 03:49:58,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-29 03:49:58,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-29 03:49:58,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-29 03:49:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-29 03:49:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2020-10-29 03:49:58,936 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 57 [2020-10-29 03:49:58,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:49:58,937 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2020-10-29 03:49:58,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 03:49:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-10-29 03:49:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-29 03:49:58,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:49:58,945 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:49:58,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 03:49:58,946 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:49:58,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:49:58,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1080186974, now seen corresponding path program 8 times [2020-10-29 03:49:58,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:49:58,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747036615] [2020-10-29 03:49:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:49:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:59,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:59,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 03:49:59,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:49:59,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-29 03:49:59,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:59,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:59,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 03:49:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:49:59,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 03:49:59,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:49:59,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:49:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:59,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:59,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:59,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:49:59,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:59,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:49:59,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:59,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:49:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:59,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:49:59,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:59,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 03:49:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:59,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:59,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:59,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:59,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:49:59,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:59,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:59,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:59,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 03:49:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:59,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:59,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:59,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:59,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:59,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:49:59,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:59,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:59,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:59,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:59,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:59,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 03:49:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:59,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:59,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:59,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:59,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:49:59,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:59,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:59,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:49:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:49:59,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:49:59,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:49:59,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:49:59,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:49:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:49:59,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:49:59,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:49:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:49:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:49:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:49:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:49:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 20 proven. 50 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 03:49:59,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747036615] [2020-10-29 03:49:59,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:49:59,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 03:49:59,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142031451] [2020-10-29 03:49:59,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 03:49:59,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:49:59,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 03:49:59,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2020-10-29 03:49:59,880 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 18 states. [2020-10-29 03:50:00,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:00,639 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2020-10-29 03:50:00,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 03:50:00,640 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2020-10-29 03:50:00,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:00,642 INFO L225 Difference]: With dead ends: 94 [2020-10-29 03:50:00,642 INFO L226 Difference]: Without dead ends: 65 [2020-10-29 03:50:00,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2020-10-29 03:50:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-29 03:50:00,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-29 03:50:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-29 03:50:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2020-10-29 03:50:00,660 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 59 [2020-10-29 03:50:00,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:00,661 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2020-10-29 03:50:00,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 03:50:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-10-29 03:50:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 03:50:00,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:00,663 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:00,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 03:50:00,663 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:00,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:00,664 INFO L82 PathProgramCache]: Analyzing trace with hash -846385245, now seen corresponding path program 9 times [2020-10-29 03:50:00,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:00,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469107290] [2020-10-29 03:50:00,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:00,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:00,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:01,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:01,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 03:50:01,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 574 [2020-10-29 03:50:01,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:01,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:01,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 03:50:01,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:01,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 03:50:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:01,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:01,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:01,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:01,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:01,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:01,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:01,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:01,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:01,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 03:50:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:01,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:01,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:01,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:01,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:01,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:01,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:01,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:01,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:01,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 03:50:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:01,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:01,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:50:01,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:01,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:01,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 03:50:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:01,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:01,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:01,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:01,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:01,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:01,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:01,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:50:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:01,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:01,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:01,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:01,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:01,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:01,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:01,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-29 03:50:01,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469107290] [2020-10-29 03:50:01,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:01,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 03:50:01,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060474818] [2020-10-29 03:50:01,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 03:50:01,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:01,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 03:50:01,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2020-10-29 03:50:01,645 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand 18 states. [2020-10-29 03:50:02,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:02,543 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2020-10-29 03:50:02,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 03:50:02,543 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 61 [2020-10-29 03:50:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:02,545 INFO L225 Difference]: With dead ends: 79 [2020-10-29 03:50:02,545 INFO L226 Difference]: Without dead ends: 75 [2020-10-29 03:50:02,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2020-10-29 03:50:02,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-29 03:50:02,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-10-29 03:50:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-29 03:50:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2020-10-29 03:50:02,566 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 61 [2020-10-29 03:50:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:02,567 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2020-10-29 03:50:02,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 03:50:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2020-10-29 03:50:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 03:50:02,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:02,568 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:02,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 03:50:02,568 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:02,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:02,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1872203267, now seen corresponding path program 10 times [2020-10-29 03:50:02,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:02,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727070559] [2020-10-29 03:50:02,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:02,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:03,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:03,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 03:50:03,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-29 03:50:03,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:03,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 03:50:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 03:50:03,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:03,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:03,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:03,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:03,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:03,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:03,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:03,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:03,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:03,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:03,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:03,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:03,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 03:50:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:03,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:03,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:03,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:03,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:03,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:03,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:03,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:03,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:03,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 03:50:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:03,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:03,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:03,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:03,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:03,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:50:03,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:03,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:03,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:03,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:03,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:03,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:03,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 03:50:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:03,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:03,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:03,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:03,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:03,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:50:03,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:03,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:03,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:50:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:03,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:03,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:03,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:03,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:03,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:03,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:03,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:50:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:03,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:03,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:03,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:03,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 03:50:03,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:03,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 50 proven. 52 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 03:50:03,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727070559] [2020-10-29 03:50:03,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:03,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 03:50:03,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654328729] [2020-10-29 03:50:03,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 03:50:03,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:03,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 03:50:03,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2020-10-29 03:50:03,630 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand 20 states. [2020-10-29 03:50:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:04,640 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2020-10-29 03:50:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 03:50:04,640 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 69 [2020-10-29 03:50:04,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:04,642 INFO L225 Difference]: With dead ends: 108 [2020-10-29 03:50:04,642 INFO L226 Difference]: Without dead ends: 75 [2020-10-29 03:50:04,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=205, Invalid=985, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 03:50:04,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-29 03:50:04,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-29 03:50:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-29 03:50:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2020-10-29 03:50:04,669 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 69 [2020-10-29 03:50:04,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:04,669 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2020-10-29 03:50:04,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 03:50:04,669 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2020-10-29 03:50:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 03:50:04,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:04,670 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:04,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 03:50:04,670 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:04,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:04,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1691793154, now seen corresponding path program 11 times [2020-10-29 03:50:04,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:04,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661493670] [2020-10-29 03:50:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:04,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:04,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:05,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:05,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 03:50:05,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 807 [2020-10-29 03:50:05,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:05,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 03:50:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:05,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 03:50:05,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:05,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:05,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:05,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:05,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:05,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:05,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 03:50:05,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:05,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:05,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:05,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:05,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 03:50:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:05,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:05,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:05,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:05,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:05,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 03:50:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:05,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:05,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:05,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:05,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 03:50:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:05,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:05,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:05,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:05,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:05,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:50:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:05,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:05,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:05,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:05,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:05,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:05,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:05,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:05,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:50:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:05,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:05,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:05,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-29 03:50:05,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661493670] [2020-10-29 03:50:05,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:05,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 03:50:05,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296028693] [2020-10-29 03:50:05,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 03:50:05,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:05,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 03:50:05,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2020-10-29 03:50:05,957 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand 20 states. [2020-10-29 03:50:07,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:07,049 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2020-10-29 03:50:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 03:50:07,050 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 71 [2020-10-29 03:50:07,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:07,051 INFO L225 Difference]: With dead ends: 89 [2020-10-29 03:50:07,051 INFO L226 Difference]: Without dead ends: 85 [2020-10-29 03:50:07,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2020-10-29 03:50:07,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-29 03:50:07,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2020-10-29 03:50:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-29 03:50:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 85 transitions. [2020-10-29 03:50:07,069 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 85 transitions. Word has length 71 [2020-10-29 03:50:07,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:07,071 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 85 transitions. [2020-10-29 03:50:07,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 03:50:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2020-10-29 03:50:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-29 03:50:07,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:07,074 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:07,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 03:50:07,075 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:07,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:07,075 INFO L82 PathProgramCache]: Analyzing trace with hash -358602148, now seen corresponding path program 12 times [2020-10-29 03:50:07,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:07,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182432949] [2020-10-29 03:50:07,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:07,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:07,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:07,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 03:50:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:08,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:08,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:08,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:08,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:08,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 03:50:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:08,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:08,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:08,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:08,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:08,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:08,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:08,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 03:50:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:08,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:08,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:08,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:08,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:08,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:08,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:08,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 03:50:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:08,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:08,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:08,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:08,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:08,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:08,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:08,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:50:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:08,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:08,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:08,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:08,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:08,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:08,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:50:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:08,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:08,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:08,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:08,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:08,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:08,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:08,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:08,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:50:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:08,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:08,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:08,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:08,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:08,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:08,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:08,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 52 proven. 88 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 03:50:08,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182432949] [2020-10-29 03:50:08,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:08,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-29 03:50:08,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670528336] [2020-10-29 03:50:08,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 03:50:08,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:08,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 03:50:08,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2020-10-29 03:50:08,275 INFO L87 Difference]: Start difference. First operand 83 states and 85 transitions. Second operand 22 states. [2020-10-29 03:50:09,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:09,250 INFO L93 Difference]: Finished difference Result 122 states and 131 transitions. [2020-10-29 03:50:09,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 03:50:09,251 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 79 [2020-10-29 03:50:09,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:09,253 INFO L225 Difference]: With dead ends: 122 [2020-10-29 03:50:09,253 INFO L226 Difference]: Without dead ends: 85 [2020-10-29 03:50:09,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=233, Invalid=1173, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 03:50:09,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-29 03:50:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-29 03:50:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-29 03:50:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 87 transitions. [2020-10-29 03:50:09,267 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 87 transitions. Word has length 79 [2020-10-29 03:50:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:09,267 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 87 transitions. [2020-10-29 03:50:09,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 03:50:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2020-10-29 03:50:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 03:50:09,269 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:09,269 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:09,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 03:50:09,270 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:09,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:09,270 INFO L82 PathProgramCache]: Analyzing trace with hash 439594273, now seen corresponding path program 13 times [2020-10-29 03:50:09,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:09,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877523646] [2020-10-29 03:50:09,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:09,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:09,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:09,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 03:50:09,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-29 03:50:09,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:09,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 03:50:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 03:50:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:10,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:10,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:10,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:10,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:10,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:10,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:10,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:10,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:10,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:10,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:50:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:10,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:10,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:10,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:10,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:10,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:10,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 03:50:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:10,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:10,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:10,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:10,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:10,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:10,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:10,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:10,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 03:50:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:10,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:10,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:10,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:10,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:10,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:10,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:10,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:10,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:50:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:10,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:10,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:10,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:10,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:10,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:10,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:10,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:50:10,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:50:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:10,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:10,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:10,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:10,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:10,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:10,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:10,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:10,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:10,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:50:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:10,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:10,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:10,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 142 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-29 03:50:10,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877523646] [2020-10-29 03:50:10,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:10,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-29 03:50:10,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951798602] [2020-10-29 03:50:10,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 03:50:10,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:10,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 03:50:10,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2020-10-29 03:50:10,515 INFO L87 Difference]: Start difference. First operand 85 states and 87 transitions. Second operand 22 states. [2020-10-29 03:50:11,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:11,751 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2020-10-29 03:50:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 03:50:11,752 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 81 [2020-10-29 03:50:11,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:11,753 INFO L225 Difference]: With dead ends: 99 [2020-10-29 03:50:11,753 INFO L226 Difference]: Without dead ends: 95 [2020-10-29 03:50:11,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=94, Invalid=1028, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 03:50:11,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-29 03:50:11,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2020-10-29 03:50:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-29 03:50:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2020-10-29 03:50:11,763 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 81 [2020-10-29 03:50:11,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:11,764 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2020-10-29 03:50:11,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 03:50:11,764 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-10-29 03:50:11,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-29 03:50:11,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:11,765 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:11,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 03:50:11,765 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:11,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:11,766 INFO L82 PathProgramCache]: Analyzing trace with hash 988844411, now seen corresponding path program 14 times [2020-10-29 03:50:11,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:11,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640439670] [2020-10-29 03:50:11,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:11,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:11,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:12,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:12,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 03:50:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-10-29 03:50:12,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:12,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 03:50:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 03:50:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:13,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 03:50:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:13,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:13,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:13,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 03:50:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:13,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:13,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:13,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 03:50:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:13,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:13,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:50:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:13,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:13,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:50:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:13,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:13,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:13,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:13,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:50:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:13,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:13,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:13,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:13,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 03:50:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:13,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:13,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:13,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:13,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:13,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:13,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:13,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:13,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:13,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:13,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 98 proven. 86 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 03:50:13,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640439670] [2020-10-29 03:50:13,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:13,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-29 03:50:13,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073441466] [2020-10-29 03:50:13,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-29 03:50:13,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:13,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-29 03:50:13,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2020-10-29 03:50:13,132 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 24 states. [2020-10-29 03:50:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:14,459 INFO L93 Difference]: Finished difference Result 136 states and 146 transitions. [2020-10-29 03:50:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 03:50:14,460 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 89 [2020-10-29 03:50:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:14,461 INFO L225 Difference]: With dead ends: 136 [2020-10-29 03:50:14,462 INFO L226 Difference]: Without dead ends: 95 [2020-10-29 03:50:14,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=311, Invalid=1495, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 03:50:14,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-29 03:50:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-10-29 03:50:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-29 03:50:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 97 transitions. [2020-10-29 03:50:14,473 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 97 transitions. Word has length 89 [2020-10-29 03:50:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:14,473 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 97 transitions. [2020-10-29 03:50:14,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-29 03:50:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 97 transitions. [2020-10-29 03:50:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-29 03:50:14,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:14,474 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:14,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 03:50:14,475 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:14,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:14,475 INFO L82 PathProgramCache]: Analyzing trace with hash 92742144, now seen corresponding path program 15 times [2020-10-29 03:50:14,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:14,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33958892] [2020-10-29 03:50:14,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:14,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:14,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 03:50:15,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 854 [2020-10-29 03:50:15,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 03:50:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 03:50:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:15,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:15,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 03:50:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:15,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:15,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:15,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 03:50:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:15,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:15,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:50:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:15,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:15,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:15,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:50:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:15,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:15,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:15,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:15,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:50:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:15,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:50:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:15,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:15,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:15,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:50:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:15,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:15,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:15,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 14 proven. 186 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-29 03:50:15,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33958892] [2020-10-29 03:50:15,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:15,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-29 03:50:15,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352933392] [2020-10-29 03:50:15,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-29 03:50:15,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:15,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-29 03:50:15,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2020-10-29 03:50:15,995 INFO L87 Difference]: Start difference. First operand 95 states and 97 transitions. Second operand 24 states. [2020-10-29 03:50:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:17,550 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2020-10-29 03:50:17,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 03:50:17,551 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 91 [2020-10-29 03:50:17,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:17,552 INFO L225 Difference]: With dead ends: 109 [2020-10-29 03:50:17,552 INFO L226 Difference]: Without dead ends: 105 [2020-10-29 03:50:17,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=1230, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 03:50:17,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-29 03:50:17,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2020-10-29 03:50:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-29 03:50:17,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2020-10-29 03:50:17,566 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 91 [2020-10-29 03:50:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:17,566 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2020-10-29 03:50:17,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-29 03:50:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2020-10-29 03:50:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-29 03:50:17,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:17,568 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:17,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 03:50:17,568 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:17,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:17,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1294776154, now seen corresponding path program 16 times [2020-10-29 03:50:17,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:17,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302147761] [2020-10-29 03:50:17,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:17,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:18,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:18,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-29 03:50:18,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-10-29 03:50:18,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:18,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 03:50:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:18,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-29 03:50:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:19,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 03:50:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 03:50:19,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 03:50:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:19,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:50:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:19,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:50:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:19,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:50:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:19,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:50:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:19,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:50:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:19,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:50:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:19,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:19,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:19,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:19,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:19,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 16 proven. 218 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 03:50:19,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302147761] [2020-10-29 03:50:19,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:19,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-29 03:50:19,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049419628] [2020-10-29 03:50:19,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-29 03:50:19,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:19,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-29 03:50:19,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=600, Unknown=0, NotChecked=0, Total=650 [2020-10-29 03:50:19,338 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand 26 states. [2020-10-29 03:50:21,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:21,056 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2020-10-29 03:50:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 03:50:21,064 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 99 [2020-10-29 03:50:21,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:21,065 INFO L225 Difference]: With dead ends: 117 [2020-10-29 03:50:21,065 INFO L226 Difference]: Without dead ends: 113 [2020-10-29 03:50:21,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 03:50:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-29 03:50:21,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2020-10-29 03:50:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-29 03:50:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 113 transitions. [2020-10-29 03:50:21,076 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 113 transitions. Word has length 99 [2020-10-29 03:50:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:21,076 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 113 transitions. [2020-10-29 03:50:21,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-29 03:50:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 113 transitions. [2020-10-29 03:50:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-29 03:50:21,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:21,077 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:21,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 03:50:21,078 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:21,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:21,078 INFO L82 PathProgramCache]: Analyzing trace with hash 343691956, now seen corresponding path program 17 times [2020-10-29 03:50:21,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:21,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916352190] [2020-10-29 03:50:21,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:21,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:21,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:21,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:21,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 03:50:21,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 860 [2020-10-29 03:50:21,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:21,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 03:50:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 03:50:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:22,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 03:50:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 03:50:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:50:22,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:50:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:22,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:50:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:50:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:50:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:50:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:50:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 03:50:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:22,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:22,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:22,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:22,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 180 proven. 90 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-29 03:50:22,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916352190] [2020-10-29 03:50:22,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:22,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 03:50:22,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321534049] [2020-10-29 03:50:22,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 03:50:22,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:22,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 03:50:22,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-29 03:50:22,403 INFO L87 Difference]: Start difference. First operand 111 states and 113 transitions. Second operand 23 states. [2020-10-29 03:50:23,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:23,100 INFO L93 Difference]: Finished difference Result 163 states and 175 transitions. [2020-10-29 03:50:23,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 03:50:23,101 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 107 [2020-10-29 03:50:23,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:23,103 INFO L225 Difference]: With dead ends: 163 [2020-10-29 03:50:23,103 INFO L226 Difference]: Without dead ends: 113 [2020-10-29 03:50:23,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=263, Invalid=793, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 03:50:23,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-29 03:50:23,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-29 03:50:23,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-29 03:50:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 115 transitions. [2020-10-29 03:50:23,115 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 115 transitions. Word has length 107 [2020-10-29 03:50:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:23,115 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 115 transitions. [2020-10-29 03:50:23,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 03:50:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 115 transitions. [2020-10-29 03:50:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-29 03:50:23,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:23,117 INFO L422 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:23,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 03:50:23,117 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:23,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:23,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1444129785, now seen corresponding path program 18 times [2020-10-29 03:50:23,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:23,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225432374] [2020-10-29 03:50:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:23,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:23,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 03:50:24,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:24,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-29 03:50:24,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 03:50:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 03:50:24,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:24,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 03:50:24,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 03:50:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:24,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 03:50:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:50:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:24,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:50:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 03:50:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 03:50:24,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 03:50:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:24,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 03:50:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:24,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 03:50:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:24,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 03:50:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:24,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:24,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:24,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:24,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:24,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:24,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:24,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:24,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 162 proven. 128 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-29 03:50:24,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225432374] [2020-10-29 03:50:24,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:24,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-29 03:50:24,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188852561] [2020-10-29 03:50:24,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-29 03:50:24,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:24,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-29 03:50:24,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2020-10-29 03:50:24,963 INFO L87 Difference]: Start difference. First operand 113 states and 115 transitions. Second operand 28 states. [2020-10-29 03:50:26,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:26,771 INFO L93 Difference]: Finished difference Result 164 states and 176 transitions. [2020-10-29 03:50:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-29 03:50:26,772 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 109 [2020-10-29 03:50:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:26,774 INFO L225 Difference]: With dead ends: 164 [2020-10-29 03:50:26,774 INFO L226 Difference]: Without dead ends: 115 [2020-10-29 03:50:26,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=441, Invalid=2109, Unknown=0, NotChecked=0, Total=2550 [2020-10-29 03:50:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-29 03:50:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-29 03:50:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-29 03:50:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2020-10-29 03:50:26,786 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 109 [2020-10-29 03:50:26,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:26,787 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2020-10-29 03:50:26,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-29 03:50:26,787 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2020-10-29 03:50:26,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 03:50:26,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:26,788 INFO L422 BasicCegarLoop]: trace histogram [12, 11, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:26,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 03:50:26,788 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:26,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:26,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1892038658, now seen corresponding path program 19 times [2020-10-29 03:50:26,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:26,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204371903] [2020-10-29 03:50:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:26,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:26,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:27,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:27,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 03:50:27,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:27,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1108 [2020-10-29 03:50:27,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:27,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:27,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 03:50:27,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:27,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 03:50:27,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:28,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 03:50:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 03:50:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 03:50:28,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:50:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:28,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:50:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:50:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:28,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 03:50:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:28,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 03:50:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:28,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 03:50:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:28,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 03:50:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:28,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:28,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:28,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:28,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:28,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:28,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:28,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:28,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 18 proven. 292 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-29 03:50:28,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204371903] [2020-10-29 03:50:28,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:28,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-29 03:50:28,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006618761] [2020-10-29 03:50:28,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-29 03:50:28,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:28,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-29 03:50:28,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-10-29 03:50:28,759 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 28 states. [2020-10-29 03:50:30,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:30,881 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2020-10-29 03:50:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 03:50:30,881 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 111 [2020-10-29 03:50:30,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:30,883 INFO L225 Difference]: With dead ends: 129 [2020-10-29 03:50:30,883 INFO L226 Difference]: Without dead ends: 125 [2020-10-29 03:50:30,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=118, Invalid=1688, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 03:50:30,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-29 03:50:30,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2020-10-29 03:50:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-29 03:50:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2020-10-29 03:50:30,895 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 111 [2020-10-29 03:50:30,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:30,895 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2020-10-29 03:50:30,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-29 03:50:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2020-10-29 03:50:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-29 03:50:30,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:30,897 INFO L422 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:30,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 03:50:30,897 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:30,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:30,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1011908440, now seen corresponding path program 20 times [2020-10-29 03:50:30,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:30,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187720605] [2020-10-29 03:50:30,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:30,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:30,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 03:50:32,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1252 [2020-10-29 03:50:32,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 03:50:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 03:50:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:32,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:32,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 03:50:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:32,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:32,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:32,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 03:50:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:32,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:32,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:32,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:50:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:32,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:32,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:32,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:50:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:32,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:32,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:32,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:50:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:32,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:32,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:32,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 03:50:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:32,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:32,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 03:50:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:32,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:32,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:32,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:32,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:32,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:32,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:32,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:32,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:32,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:32,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 03:50:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:32,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:32,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:33,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:33,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:33,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:33,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:33,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:33,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:33,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:33,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 03:50:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:33,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:33,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:33,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:33,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:33,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:33,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:33,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:33,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 03:50:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:33,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:33,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:33,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:33,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:33,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:33,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:33,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:33,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:33,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 164 proven. 188 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-29 03:50:33,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187720605] [2020-10-29 03:50:33,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:33,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 03:50:33,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744594668] [2020-10-29 03:50:33,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 03:50:33,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:33,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 03:50:33,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=708, Unknown=0, NotChecked=0, Total=870 [2020-10-29 03:50:33,064 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand 30 states. [2020-10-29 03:50:35,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:35,105 INFO L93 Difference]: Finished difference Result 178 states and 191 transitions. [2020-10-29 03:50:35,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-29 03:50:35,110 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 119 [2020-10-29 03:50:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:35,112 INFO L225 Difference]: With dead ends: 178 [2020-10-29 03:50:35,112 INFO L226 Difference]: Without dead ends: 125 [2020-10-29 03:50:35,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=481, Invalid=2381, Unknown=0, NotChecked=0, Total=2862 [2020-10-29 03:50:35,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-29 03:50:35,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-29 03:50:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-29 03:50:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2020-10-29 03:50:35,132 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 119 [2020-10-29 03:50:35,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:35,132 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2020-10-29 03:50:35,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 03:50:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2020-10-29 03:50:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 03:50:35,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:35,134 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:35,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 03:50:35,134 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:35,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:35,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1443161827, now seen corresponding path program 21 times [2020-10-29 03:50:35,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:35,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545813246] [2020-10-29 03:50:35,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:35,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:35,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:36,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:36,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1060 [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-29 03:50:36,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:37,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 03:50:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 03:50:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:50:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:50:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:50:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 03:50:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 03:50:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 03:50:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 03:50:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 03:50:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:37,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:37,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:37,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:37,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:37,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:37,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:37,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:37,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 20 proven. 354 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-10-29 03:50:37,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545813246] [2020-10-29 03:50:37,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:37,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 03:50:37,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214819006] [2020-10-29 03:50:37,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 03:50:37,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:37,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 03:50:37,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2020-10-29 03:50:37,225 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand 30 states. [2020-10-29 03:50:39,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:39,654 INFO L93 Difference]: Finished difference Result 139 states and 141 transitions. [2020-10-29 03:50:39,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-29 03:50:39,655 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 121 [2020-10-29 03:50:39,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:39,657 INFO L225 Difference]: With dead ends: 139 [2020-10-29 03:50:39,657 INFO L226 Difference]: Without dead ends: 135 [2020-10-29 03:50:39,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=126, Invalid=1944, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 03:50:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-29 03:50:39,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2020-10-29 03:50:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-29 03:50:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2020-10-29 03:50:39,675 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 121 [2020-10-29 03:50:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:39,675 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2020-10-29 03:50:39,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 03:50:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2020-10-29 03:50:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-29 03:50:39,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:39,677 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:39,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-29 03:50:39,677 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:39,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:39,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1585823369, now seen corresponding path program 22 times [2020-10-29 03:50:39,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:39,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925830825] [2020-10-29 03:50:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:39,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:39,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:41,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:41,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 03:50:41,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:41,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1352 [2020-10-29 03:50:41,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:41,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 03:50:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 03:50:41,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 03:50:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:41,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 03:50:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:41,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:41,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:41,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:41,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:41,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:41,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 03:50:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:41,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:41,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:41,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:41,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:41,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:41,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:41,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:41,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:41,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:41,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:41,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:50:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:41,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:50:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:42,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:50:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:42,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 03:50:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:42,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 03:50:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 03:50:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 03:50:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 03:50:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 03:50:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:42,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:42,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:42,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:42,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:42,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:42,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:42,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:42,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:42,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 242 proven. 178 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-29 03:50:42,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925830825] [2020-10-29 03:50:42,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:42,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-29 03:50:42,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680489506] [2020-10-29 03:50:42,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-29 03:50:42,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:42,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-29 03:50:42,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2020-10-29 03:50:42,123 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand 32 states. [2020-10-29 03:50:44,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:44,392 INFO L93 Difference]: Finished difference Result 192 states and 206 transitions. [2020-10-29 03:50:44,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-29 03:50:44,392 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 129 [2020-10-29 03:50:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:44,397 INFO L225 Difference]: With dead ends: 192 [2020-10-29 03:50:44,397 INFO L226 Difference]: Without dead ends: 135 [2020-10-29 03:50:44,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=595, Invalid=2827, Unknown=0, NotChecked=0, Total=3422 [2020-10-29 03:50:44,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-29 03:50:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-10-29 03:50:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-29 03:50:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 137 transitions. [2020-10-29 03:50:44,423 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 137 transitions. Word has length 129 [2020-10-29 03:50:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:44,423 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 137 transitions. [2020-10-29 03:50:44,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-29 03:50:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 137 transitions. [2020-10-29 03:50:44,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-29 03:50:44,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:44,426 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:44,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-29 03:50:44,429 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:44,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:44,430 INFO L82 PathProgramCache]: Analyzing trace with hash -982046468, now seen corresponding path program 23 times [2020-10-29 03:50:44,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:44,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350006479] [2020-10-29 03:50:44,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:44,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:44,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:45,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-29 03:50:45,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1418 [2020-10-29 03:50:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:45,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 03:50:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-29 03:50:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:46,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:46,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 03:50:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:50:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:50:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:50:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:50:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:50:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:50:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 03:50:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 03:50:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 03:50:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 03:50:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:46,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:46,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:46,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:46,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:46,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:46,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:46,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 22 proven. 422 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-29 03:50:46,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350006479] [2020-10-29 03:50:46,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:46,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-29 03:50:46,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221019619] [2020-10-29 03:50:46,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-29 03:50:46,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:46,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-29 03:50:46,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2020-10-29 03:50:46,993 INFO L87 Difference]: Start difference. First operand 135 states and 137 transitions. Second operand 32 states. [2020-10-29 03:50:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:49,783 INFO L93 Difference]: Finished difference Result 149 states and 151 transitions. [2020-10-29 03:50:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-29 03:50:49,785 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 131 [2020-10-29 03:50:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:49,786 INFO L225 Difference]: With dead ends: 149 [2020-10-29 03:50:49,787 INFO L226 Difference]: Without dead ends: 145 [2020-10-29 03:50:49,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=134, Invalid=2218, Unknown=0, NotChecked=0, Total=2352 [2020-10-29 03:50:49,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-29 03:50:49,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2020-10-29 03:50:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-29 03:50:49,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 145 transitions. [2020-10-29 03:50:49,800 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 145 transitions. Word has length 131 [2020-10-29 03:50:49,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:49,800 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 145 transitions. [2020-10-29 03:50:49,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-29 03:50:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 145 transitions. [2020-10-29 03:50:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 03:50:49,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:49,808 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:49,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-29 03:50:49,808 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:49,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:49,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1424752042, now seen corresponding path program 24 times [2020-10-29 03:50:49,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:49,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337757862] [2020-10-29 03:50:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:51,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:51,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-29 03:50:51,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:51,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1562 [2020-10-29 03:50:51,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:51,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:51,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 03:50:51,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:51,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-29 03:50:51,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:52,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 03:50:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:52,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:50:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:50:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:52,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:50:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:50:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:50:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:50:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 03:50:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 03:50:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 03:50:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:52,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 03:50:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 03:50:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:52,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:52,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:52,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:52,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:52,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:50:52,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:52,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 288 proven. 206 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-29 03:50:52,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337757862] [2020-10-29 03:50:52,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:52,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-29 03:50:52,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519294308] [2020-10-29 03:50:52,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-29 03:50:52,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:52,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-29 03:50:52,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=898, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 03:50:52,554 INFO L87 Difference]: Start difference. First operand 143 states and 145 transitions. Second operand 34 states. [2020-10-29 03:50:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:50:55,058 INFO L93 Difference]: Finished difference Result 206 states and 221 transitions. [2020-10-29 03:50:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-29 03:50:55,059 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 139 [2020-10-29 03:50:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:50:55,062 INFO L225 Difference]: With dead ends: 206 [2020-10-29 03:50:55,062 INFO L226 Difference]: Without dead ends: 145 [2020-10-29 03:50:55,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=676, Invalid=3106, Unknown=0, NotChecked=0, Total=3782 [2020-10-29 03:50:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-29 03:50:55,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-10-29 03:50:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-29 03:50:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 147 transitions. [2020-10-29 03:50:55,080 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 147 transitions. Word has length 139 [2020-10-29 03:50:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:50:55,080 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 147 transitions. [2020-10-29 03:50:55,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-29 03:50:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 147 transitions. [2020-10-29 03:50:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 03:50:55,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:50:55,084 INFO L422 BasicCegarLoop]: trace histogram [15, 14, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:50:55,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-29 03:50:55,084 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:50:55,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:50:55,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1137899621, now seen corresponding path program 25 times [2020-10-29 03:50:55,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:50:55,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787385138] [2020-10-29 03:50:55,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:50:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:55,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:55,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1556 [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:50:56,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-29 03:50:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:50:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:50:57,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:50:57,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:50:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:50:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 03:50:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 03:50:57,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:50:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:50:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 03:50:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 03:50:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:57,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 03:50:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 03:50:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:57,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 03:50:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:50:57,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 03:50:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:57,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 03:50:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:57,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 03:50:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:57,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:57,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 03:50:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:50:57,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:50:57,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:50:57,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:50:57,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:50:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:50:57,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:50:57,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:50:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:50:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:50:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:50:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:50:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 24 proven. 496 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-10-29 03:50:58,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787385138] [2020-10-29 03:50:58,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:50:58,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-29 03:50:58,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63650114] [2020-10-29 03:50:58,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-29 03:50:58,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:50:58,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-29 03:50:58,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=1056, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 03:50:58,009 INFO L87 Difference]: Start difference. First operand 145 states and 147 transitions. Second operand 34 states. [2020-10-29 03:51:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:01,130 INFO L93 Difference]: Finished difference Result 159 states and 161 transitions. [2020-10-29 03:51:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 03:51:01,131 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 141 [2020-10-29 03:51:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:01,133 INFO L225 Difference]: With dead ends: 159 [2020-10-29 03:51:01,133 INFO L226 Difference]: Without dead ends: 155 [2020-10-29 03:51:01,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=139, Invalid=2411, Unknown=0, NotChecked=0, Total=2550 [2020-10-29 03:51:01,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-29 03:51:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2020-10-29 03:51:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-29 03:51:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 155 transitions. [2020-10-29 03:51:01,147 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 155 transitions. Word has length 141 [2020-10-29 03:51:01,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:01,149 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 155 transitions. [2020-10-29 03:51:01,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-29 03:51:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 155 transitions. [2020-10-29 03:51:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-29 03:51:01,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:01,151 INFO L422 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:01,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-29 03:51:01,151 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:01,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:01,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1953705483, now seen corresponding path program 26 times [2020-10-29 03:51:01,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:01,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053084673] [2020-10-29 03:51:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:01,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:01,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:02,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:02,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 03:51:02,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:02,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1395 [2020-10-29 03:51:02,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:02,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 03:51:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-29 03:51:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 03:51:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:03,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:51:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:51:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:03,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 03:51:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 03:51:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 03:51:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 03:51:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 03:51:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 03:51:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 03:51:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 03:51:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 03:51:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 03:51:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:03,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:03,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 338 proven. 236 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-29 03:51:03,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053084673] [2020-10-29 03:51:03,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:03,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-29 03:51:03,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549216923] [2020-10-29 03:51:03,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-29 03:51:03,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:03,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-29 03:51:03,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 03:51:03,903 INFO L87 Difference]: Start difference. First operand 153 states and 155 transitions. Second operand 36 states. [2020-10-29 03:51:06,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:06,522 INFO L93 Difference]: Finished difference Result 220 states and 236 transitions. [2020-10-29 03:51:06,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-29 03:51:06,523 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 149 [2020-10-29 03:51:06,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:06,525 INFO L225 Difference]: With dead ends: 220 [2020-10-29 03:51:06,525 INFO L226 Difference]: Without dead ends: 155 [2020-10-29 03:51:06,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=768, Invalid=3522, Unknown=0, NotChecked=0, Total=4290 [2020-10-29 03:51:06,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-29 03:51:06,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-10-29 03:51:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-29 03:51:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 157 transitions. [2020-10-29 03:51:06,541 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 157 transitions. Word has length 149 [2020-10-29 03:51:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:06,541 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 157 transitions. [2020-10-29 03:51:06,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-29 03:51:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 157 transitions. [2020-10-29 03:51:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-29 03:51:06,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:06,543 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:06,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-29 03:51:06,543 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:06,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:06,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1787282682, now seen corresponding path program 27 times [2020-10-29 03:51:06,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:06,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051315097] [2020-10-29 03:51:06,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:06,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:08,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:08,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-29 03:51:08,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1805 [2020-10-29 03:51:08,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:08,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 03:51:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-29 03:51:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:09,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 03:51:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:51:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:51:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:51:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 03:51:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 03:51:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 03:51:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 03:51:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 03:51:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 03:51:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 03:51:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 03:51:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 03:51:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:09,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:09,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:09,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:09,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:09,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:09,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:09,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:09,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:09,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:09,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:09,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 26 proven. 576 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-29 03:51:09,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051315097] [2020-10-29 03:51:09,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:09,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-29 03:51:09,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601386497] [2020-10-29 03:51:09,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-29 03:51:09,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:09,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-29 03:51:09,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=1190, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 03:51:09,789 INFO L87 Difference]: Start difference. First operand 155 states and 157 transitions. Second operand 36 states. [2020-10-29 03:51:13,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:13,321 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2020-10-29 03:51:13,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-29 03:51:13,322 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 151 [2020-10-29 03:51:13,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:13,324 INFO L225 Difference]: With dead ends: 169 [2020-10-29 03:51:13,324 INFO L226 Difference]: Without dead ends: 165 [2020-10-29 03:51:13,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=147, Invalid=2715, Unknown=0, NotChecked=0, Total=2862 [2020-10-29 03:51:13,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-29 03:51:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 163. [2020-10-29 03:51:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-29 03:51:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 165 transitions. [2020-10-29 03:51:13,339 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 165 transitions. Word has length 151 [2020-10-29 03:51:13,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:13,339 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 165 transitions. [2020-10-29 03:51:13,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-29 03:51:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 165 transitions. [2020-10-29 03:51:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-29 03:51:13,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:13,340 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:13,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-29 03:51:13,341 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:13,341 INFO L82 PathProgramCache]: Analyzing trace with hash -885014444, now seen corresponding path program 28 times [2020-10-29 03:51:13,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:13,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933518652] [2020-10-29 03:51:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:13,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:14,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:14,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-29 03:51:14,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:14,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1619 [2020-10-29 03:51:14,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:14,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:14,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 03:51:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-29 03:51:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:16,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 03:51:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:16,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:51:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:51:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:51:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 03:51:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:16,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 03:51:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 03:51:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:16,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 03:51:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 03:51:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 03:51:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 03:51:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 03:51:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 03:51:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 03:51:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:16,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:16,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:16,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:16,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:16,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:16,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:16,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:16,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:16,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 340 proven. 320 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-29 03:51:16,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933518652] [2020-10-29 03:51:16,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:16,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-29 03:51:16,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957633427] [2020-10-29 03:51:16,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-29 03:51:16,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:16,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-29 03:51:16,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=1132, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 03:51:16,383 INFO L87 Difference]: Start difference. First operand 163 states and 165 transitions. Second operand 38 states. [2020-10-29 03:51:19,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:19,472 INFO L93 Difference]: Finished difference Result 234 states and 251 transitions. [2020-10-29 03:51:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-29 03:51:19,473 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 159 [2020-10-29 03:51:19,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:19,476 INFO L225 Difference]: With dead ends: 234 [2020-10-29 03:51:19,476 INFO L226 Difference]: Without dead ends: 165 [2020-10-29 03:51:19,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=820, Invalid=3872, Unknown=0, NotChecked=0, Total=4692 [2020-10-29 03:51:19,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-29 03:51:19,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-10-29 03:51:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-10-29 03:51:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 167 transitions. [2020-10-29 03:51:19,492 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 167 transitions. Word has length 159 [2020-10-29 03:51:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:19,492 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 167 transitions. [2020-10-29 03:51:19,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-29 03:51:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 167 transitions. [2020-10-29 03:51:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-29 03:51:19,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:19,494 INFO L422 BasicCegarLoop]: trace histogram [17, 16, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:19,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-29 03:51:19,494 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:19,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:19,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1210158823, now seen corresponding path program 29 times [2020-10-29 03:51:19,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:19,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442416910] [2020-10-29 03:51:19,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:19,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:19,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1572 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-29 03:51:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:22,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:22,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 03:51:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:51:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:51:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:51:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 03:51:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 03:51:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 03:51:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 03:51:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 03:51:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 03:51:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 03:51:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 03:51:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 03:51:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 03:51:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:22,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:22,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:22,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 28 proven. 662 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-10-29 03:51:22,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442416910] [2020-10-29 03:51:22,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:22,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-29 03:51:22,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800863618] [2020-10-29 03:51:22,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-29 03:51:22,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:22,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-29 03:51:22,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 03:51:22,650 INFO L87 Difference]: Start difference. First operand 165 states and 167 transitions. Second operand 38 states. [2020-10-29 03:51:26,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:26,681 INFO L93 Difference]: Finished difference Result 179 states and 181 transitions. [2020-10-29 03:51:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-29 03:51:26,682 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 161 [2020-10-29 03:51:26,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:26,683 INFO L225 Difference]: With dead ends: 179 [2020-10-29 03:51:26,683 INFO L226 Difference]: Without dead ends: 175 [2020-10-29 03:51:26,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=158, Invalid=3148, Unknown=0, NotChecked=0, Total=3306 [2020-10-29 03:51:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-29 03:51:26,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2020-10-29 03:51:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-29 03:51:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 175 transitions. [2020-10-29 03:51:26,696 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 175 transitions. Word has length 161 [2020-10-29 03:51:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:26,696 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 175 transitions. [2020-10-29 03:51:26,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-29 03:51:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 175 transitions. [2020-10-29 03:51:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-29 03:51:26,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:26,697 INFO L422 BasicCegarLoop]: trace histogram [17, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:26,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-29 03:51:26,698 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:26,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:26,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1366547827, now seen corresponding path program 30 times [2020-10-29 03:51:26,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:26,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617319178] [2020-10-29 03:51:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:26,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:26,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:28,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-29 03:51:28,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1523 [2020-10-29 03:51:28,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:28,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 03:51:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-29 03:51:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:29,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 03:51:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:51:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:51:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:51:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 03:51:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 03:51:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 03:51:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 03:51:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 03:51:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 03:51:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 03:51:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 03:51:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 03:51:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 03:51:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 03:51:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:29,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:29,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:29,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:29,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:29,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 394 proven. 358 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-29 03:51:29,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617319178] [2020-10-29 03:51:29,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:29,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-29 03:51:29,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801751571] [2020-10-29 03:51:29,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-29 03:51:29,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:29,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-29 03:51:29,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1253, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 03:51:29,790 INFO L87 Difference]: Start difference. First operand 173 states and 175 transitions. Second operand 40 states. [2020-10-29 03:51:33,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:33,346 INFO L93 Difference]: Finished difference Result 248 states and 266 transitions. [2020-10-29 03:51:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-29 03:51:33,347 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 169 [2020-10-29 03:51:33,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:33,350 INFO L225 Difference]: With dead ends: 248 [2020-10-29 03:51:33,350 INFO L226 Difference]: Without dead ends: 175 [2020-10-29 03:51:33,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=926, Invalid=4476, Unknown=0, NotChecked=0, Total=5402 [2020-10-29 03:51:33,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-10-29 03:51:33,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2020-10-29 03:51:33,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-29 03:51:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2020-10-29 03:51:33,365 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 169 [2020-10-29 03:51:33,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:33,365 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2020-10-29 03:51:33,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-29 03:51:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2020-10-29 03:51:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-29 03:51:33,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:33,367 INFO L422 BasicCegarLoop]: trace histogram [18, 17, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:33,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-29 03:51:33,367 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:33,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1601444856, now seen corresponding path program 31 times [2020-10-29 03:51:33,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:33,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235163127] [2020-10-29 03:51:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:33,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:33,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:35,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1760 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-10-29 03:51:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:36,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:51:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:51:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:51:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:51:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:51:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:51:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 03:51:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 03:51:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 03:51:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 03:51:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 03:51:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 03:51:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 03:51:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 03:51:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 03:51:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:36,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:36,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:36,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:36,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:36,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:36,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:36,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 30 proven. 754 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2020-10-29 03:51:36,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235163127] [2020-10-29 03:51:36,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:36,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-29 03:51:36,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35925402] [2020-10-29 03:51:36,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-29 03:51:36,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:36,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-29 03:51:36,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1482, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 03:51:36,937 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand 40 states. [2020-10-29 03:51:41,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:41,381 INFO L93 Difference]: Finished difference Result 189 states and 191 transitions. [2020-10-29 03:51:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-29 03:51:41,382 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 171 [2020-10-29 03:51:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:41,384 INFO L225 Difference]: With dead ends: 189 [2020-10-29 03:51:41,384 INFO L226 Difference]: Without dead ends: 185 [2020-10-29 03:51:41,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=158, Invalid=3264, Unknown=0, NotChecked=0, Total=3422 [2020-10-29 03:51:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-29 03:51:41,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183. [2020-10-29 03:51:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-29 03:51:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 185 transitions. [2020-10-29 03:51:41,399 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 185 transitions. Word has length 171 [2020-10-29 03:51:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:41,399 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 185 transitions. [2020-10-29 03:51:41,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-29 03:51:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 185 transitions. [2020-10-29 03:51:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-29 03:51:41,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:41,401 INFO L422 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:41,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-29 03:51:41,401 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:41,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:41,401 INFO L82 PathProgramCache]: Analyzing trace with hash 761018706, now seen corresponding path program 32 times [2020-10-29 03:51:41,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:41,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714391689] [2020-10-29 03:51:41,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:41,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:43,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:43,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 03:51:43,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:43,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1838 [2020-10-29 03:51:43,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:43,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 03:51:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-29 03:51:43,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 03:51:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:51:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:51:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:51:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:51:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:51:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 03:51:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 03:51:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 03:51:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 03:51:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 03:51:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 03:51:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:44,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 03:51:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 03:51:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:51:44,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 03:51:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:51:44,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 03:51:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:44,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:44,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:44,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:44,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:44,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 03:51:44,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:44,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:44,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 452 proven. 398 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-29 03:51:44,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714391689] [2020-10-29 03:51:44,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:44,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-29 03:51:44,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553899354] [2020-10-29 03:51:44,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-29 03:51:44,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:44,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-29 03:51:44,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1380, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 03:51:44,966 INFO L87 Difference]: Start difference. First operand 183 states and 185 transitions. Second operand 42 states. [2020-10-29 03:51:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:48,811 INFO L93 Difference]: Finished difference Result 262 states and 281 transitions. [2020-10-29 03:51:48,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-29 03:51:48,813 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 179 [2020-10-29 03:51:48,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:48,815 INFO L225 Difference]: With dead ends: 262 [2020-10-29 03:51:48,815 INFO L226 Difference]: Without dead ends: 185 [2020-10-29 03:51:48,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1358 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1033, Invalid=4973, Unknown=0, NotChecked=0, Total=6006 [2020-10-29 03:51:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-29 03:51:48,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-29 03:51:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-29 03:51:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 187 transitions. [2020-10-29 03:51:48,832 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 187 transitions. Word has length 179 [2020-10-29 03:51:48,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:48,832 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 187 transitions. [2020-10-29 03:51:48,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-29 03:51:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 187 transitions. [2020-10-29 03:51:48,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-29 03:51:48,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:48,834 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:48,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-29 03:51:48,834 INFO L429 AbstractCegarLoop]: === Iteration 35 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:48,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:48,834 INFO L82 PathProgramCache]: Analyzing trace with hash 2037896599, now seen corresponding path program 33 times [2020-10-29 03:51:48,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:48,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181843446] [2020-10-29 03:51:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:48,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:48,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2074 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-29 03:51:50,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:51:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:51:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:51:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:51:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 03:51:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 03:51:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 03:51:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 03:51:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 03:51:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 03:51:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 03:51:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 03:51:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 03:51:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 03:51:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 03:51:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 03:51:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 03:51:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-29 03:51:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:51:52,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:51:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:51:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 32 proven. 852 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-10-29 03:51:52,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181843446] [2020-10-29 03:51:52,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:51:52,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-29 03:51:52,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553674415] [2020-10-29 03:51:52,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-29 03:51:52,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:51:52,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-29 03:51:52,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 03:51:52,910 INFO L87 Difference]: Start difference. First operand 185 states and 187 transitions. Second operand 42 states. [2020-10-29 03:51:58,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:51:58,113 INFO L93 Difference]: Finished difference Result 199 states and 201 transitions. [2020-10-29 03:51:58,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-29 03:51:58,114 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 181 [2020-10-29 03:51:58,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:51:58,116 INFO L225 Difference]: With dead ends: 199 [2020-10-29 03:51:58,116 INFO L226 Difference]: Without dead ends: 195 [2020-10-29 03:51:58,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=174, Invalid=3858, Unknown=0, NotChecked=0, Total=4032 [2020-10-29 03:51:58,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-29 03:51:58,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2020-10-29 03:51:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-29 03:51:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 195 transitions. [2020-10-29 03:51:58,135 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 195 transitions. Word has length 181 [2020-10-29 03:51:58,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:51:58,135 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 195 transitions. [2020-10-29 03:51:58,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-29 03:51:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 195 transitions. [2020-10-29 03:51:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-29 03:51:58,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:51:58,137 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:51:58,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-29 03:51:58,137 INFO L429 AbstractCegarLoop]: === Iteration 36 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:51:58,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:51:58,138 INFO L82 PathProgramCache]: Analyzing trace with hash 521659377, now seen corresponding path program 34 times [2020-10-29 03:51:58,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:51:58,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905385811] [2020-10-29 03:51:58,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:51:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:51:58,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:51:58,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2034 [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 03:52:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:52:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-10-29 03:52:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:52:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:52:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 03:52:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:01,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:52:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 03:52:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 03:52:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 03:52:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 03:52:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 03:52:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:01,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 03:52:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 03:52:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 03:52:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 03:52:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:52:01,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 03:52:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 03:52:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:01,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 03:52:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:01,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:01,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 03:52:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:02,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:02,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-29 03:52:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:02,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:02,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:02,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:02,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-29 03:52:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1498 backedges. 578 proven. 376 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-29 03:52:02,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905385811] [2020-10-29 03:52:02,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:52:02,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-29 03:52:02,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695629588] [2020-10-29 03:52:02,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-29 03:52:02,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:52:02,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-29 03:52:02,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=1498, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 03:52:02,097 INFO L87 Difference]: Start difference. First operand 193 states and 195 transitions. Second operand 44 states. [2020-10-29 03:52:06,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:52:06,308 INFO L93 Difference]: Finished difference Result 276 states and 296 transitions. [2020-10-29 03:52:06,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-29 03:52:06,309 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 189 [2020-10-29 03:52:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:52:06,311 INFO L225 Difference]: With dead ends: 276 [2020-10-29 03:52:06,311 INFO L226 Difference]: Without dead ends: 195 [2020-10-29 03:52:06,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1201, Invalid=5605, Unknown=0, NotChecked=0, Total=6806 [2020-10-29 03:52:06,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-29 03:52:06,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-10-29 03:52:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-29 03:52:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 197 transitions. [2020-10-29 03:52:06,331 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 197 transitions. Word has length 189 [2020-10-29 03:52:06,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:52:06,331 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 197 transitions. [2020-10-29 03:52:06,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-29 03:52:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 197 transitions. [2020-10-29 03:52:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-29 03:52:06,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:52:06,333 INFO L422 BasicCegarLoop]: trace histogram [20, 19, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:52:06,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-29 03:52:06,333 INFO L429 AbstractCegarLoop]: === Iteration 37 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:52:06,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:52:06,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1006326282, now seen corresponding path program 35 times [2020-10-29 03:52:06,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:52:06,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265278644] [2020-10-29 03:52:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:52:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:06,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:06,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:09,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:09,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-29 03:52:09,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:52:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2771 [2020-10-29 03:52:09,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:09,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 03:52:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:52:09,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-29 03:52:09,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:52:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:52:11,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:11,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:52:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:52:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:52:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:52:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:11,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:52:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:11,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 03:52:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:11,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 03:52:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 03:52:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 03:52:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 03:52:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 03:52:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 03:52:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 03:52:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 03:52:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 03:52:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 03:52:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-29 03:52:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 03:52:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-29 03:52:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:11,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:11,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:11,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:11,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:11,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:11,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 34 proven. 956 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2020-10-29 03:52:11,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265278644] [2020-10-29 03:52:11,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:52:11,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-29 03:52:11,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888197364] [2020-10-29 03:52:11,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-29 03:52:11,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:52:11,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-29 03:52:11,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1806, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 03:52:11,339 INFO L87 Difference]: Start difference. First operand 195 states and 197 transitions. Second operand 44 states. [2020-10-29 03:52:17,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:52:17,055 INFO L93 Difference]: Finished difference Result 209 states and 211 transitions. [2020-10-29 03:52:17,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-29 03:52:17,056 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 191 [2020-10-29 03:52:17,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:52:17,059 INFO L225 Difference]: With dead ends: 209 [2020-10-29 03:52:17,059 INFO L226 Difference]: Without dead ends: 205 [2020-10-29 03:52:17,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=179, Invalid=4111, Unknown=0, NotChecked=0, Total=4290 [2020-10-29 03:52:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-29 03:52:17,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2020-10-29 03:52:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-29 03:52:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2020-10-29 03:52:17,077 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 191 [2020-10-29 03:52:17,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:52:17,078 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2020-10-29 03:52:17,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-29 03:52:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2020-10-29 03:52:17,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-29 03:52:17,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:52:17,079 INFO L422 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:52:17,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-29 03:52:17,080 INFO L429 AbstractCegarLoop]: === Iteration 38 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:52:17,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:52:17,080 INFO L82 PathProgramCache]: Analyzing trace with hash -525210288, now seen corresponding path program 36 times [2020-10-29 03:52:17,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:52:17,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269655758] [2020-10-29 03:52:17,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:52:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:17,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:19,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:19,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2736 [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-10-29 03:52:19,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:52:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:52:21,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 03:52:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 03:52:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 03:52:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 03:52:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 03:52:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 03:52:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 03:52:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 03:52:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 03:52:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 03:52:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 03:52:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 03:52:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 03:52:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 03:52:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:52:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-29 03:52:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-29 03:52:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-29 03:52:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:21,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-29 03:52:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:21,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:21,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:21,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:21,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:21,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:21,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:21,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:21,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 648 proven. 416 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-29 03:52:22,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269655758] [2020-10-29 03:52:22,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:52:22,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-29 03:52:22,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935584344] [2020-10-29 03:52:22,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-29 03:52:22,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:52:22,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-29 03:52:22,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=1636, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 03:52:22,044 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand 46 states. [2020-10-29 03:52:26,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:52:26,694 INFO L93 Difference]: Finished difference Result 290 states and 311 transitions. [2020-10-29 03:52:26,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-29 03:52:26,695 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 199 [2020-10-29 03:52:26,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:52:26,697 INFO L225 Difference]: With dead ends: 290 [2020-10-29 03:52:26,697 INFO L226 Difference]: Without dead ends: 205 [2020-10-29 03:52:26,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1709 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1323, Invalid=6159, Unknown=0, NotChecked=0, Total=7482 [2020-10-29 03:52:26,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-29 03:52:26,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2020-10-29 03:52:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-29 03:52:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 207 transitions. [2020-10-29 03:52:26,717 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 207 transitions. Word has length 199 [2020-10-29 03:52:26,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:52:26,717 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 207 transitions. [2020-10-29 03:52:26,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-29 03:52:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 207 transitions. [2020-10-29 03:52:26,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-29 03:52:26,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:52:26,719 INFO L422 BasicCegarLoop]: trace histogram [21, 20, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:52:26,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-29 03:52:26,719 INFO L429 AbstractCegarLoop]: === Iteration 39 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:52:26,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:52:26,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1407077099, now seen corresponding path program 37 times [2020-10-29 03:52:26,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:52:26,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660117767] [2020-10-29 03:52:26,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:52:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:26,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:29,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2580 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-29 03:52:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:52:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:52:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:52:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:52:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:52:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 03:52:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 03:52:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 03:52:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 03:52:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 03:52:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 03:52:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 03:52:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 03:52:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 03:52:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 03:52:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 03:52:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-29 03:52:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-29 03:52:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-29 03:52:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-29 03:52:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:31,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 36 proven. 1066 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2020-10-29 03:52:31,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660117767] [2020-10-29 03:52:31,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:52:31,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-29 03:52:31,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093144385] [2020-10-29 03:52:31,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-29 03:52:31,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:52:31,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-29 03:52:31,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1980, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 03:52:31,781 INFO L87 Difference]: Start difference. First operand 205 states and 207 transitions. Second operand 46 states. [2020-10-29 03:52:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:52:38,036 INFO L93 Difference]: Finished difference Result 219 states and 221 transitions. [2020-10-29 03:52:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-29 03:52:38,037 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 201 [2020-10-29 03:52:38,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:52:38,039 INFO L225 Difference]: With dead ends: 219 [2020-10-29 03:52:38,039 INFO L226 Difference]: Without dead ends: 215 [2020-10-29 03:52:38,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=187, Invalid=4505, Unknown=0, NotChecked=0, Total=4692 [2020-10-29 03:52:38,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-29 03:52:38,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2020-10-29 03:52:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-29 03:52:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 215 transitions. [2020-10-29 03:52:38,057 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 215 transitions. Word has length 201 [2020-10-29 03:52:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:52:38,057 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 215 transitions. [2020-10-29 03:52:38,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-29 03:52:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 215 transitions. [2020-10-29 03:52:38,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-29 03:52:38,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:52:38,059 INFO L422 BasicCegarLoop]: trace histogram [21, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:52:38,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-29 03:52:38,059 INFO L429 AbstractCegarLoop]: === Iteration 40 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:52:38,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:52:38,060 INFO L82 PathProgramCache]: Analyzing trace with hash 790717807, now seen corresponding path program 38 times [2020-10-29 03:52:38,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:52:38,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606168500] [2020-10-29 03:52:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:52:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:38,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:38,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2668 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-29 03:52:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:52:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:42,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:42,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:42,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:52:42,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:42,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:42,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:42,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:52:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:52:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 03:52:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:42,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:42,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 03:52:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:42,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:42,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:42,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:42,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:42,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:42,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 03:52:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:42,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:42,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:42,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 03:52:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:42,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 03:52:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:42,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:42,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:42,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:42,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:42,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:42,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 03:52:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:42,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:42,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:42,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:42,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:42,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:42,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:42,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 03:52:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 03:52:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 03:52:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 03:52:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:43,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 03:52:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 03:52:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 03:52:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-29 03:52:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-29 03:52:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-29 03:52:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-29 03:52:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-29 03:52:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:43,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 03:52:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:43,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:43,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:43,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:43,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:52:43,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:43,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:43,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 722 proven. 458 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-29 03:52:43,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606168500] [2020-10-29 03:52:43,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:52:43,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-29 03:52:43,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296562182] [2020-10-29 03:52:43,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-29 03:52:43,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:52:43,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-29 03:52:43,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=476, Invalid=1780, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 03:52:43,185 INFO L87 Difference]: Start difference. First operand 213 states and 215 transitions. Second operand 48 states. [2020-10-29 03:52:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:52:48,272 INFO L93 Difference]: Finished difference Result 304 states and 326 transitions. [2020-10-29 03:52:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-29 03:52:48,273 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 209 [2020-10-29 03:52:48,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:52:48,276 INFO L225 Difference]: With dead ends: 304 [2020-10-29 03:52:48,276 INFO L226 Difference]: Without dead ends: 215 [2020-10-29 03:52:48,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1879 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1451, Invalid=6739, Unknown=0, NotChecked=0, Total=8190 [2020-10-29 03:52:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-29 03:52:48,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-10-29 03:52:48,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-29 03:52:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 217 transitions. [2020-10-29 03:52:48,296 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 217 transitions. Word has length 209 [2020-10-29 03:52:48,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:52:48,296 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 217 transitions. [2020-10-29 03:52:48,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-29 03:52:48,296 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 217 transitions. [2020-10-29 03:52:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-29 03:52:48,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:52:48,298 INFO L422 BasicCegarLoop]: trace histogram [22, 21, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:52:48,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-29 03:52:48,298 INFO L429 AbstractCegarLoop]: === Iteration 41 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:52:48,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:52:48,298 INFO L82 PathProgramCache]: Analyzing trace with hash 381811444, now seen corresponding path program 39 times [2020-10-29 03:52:48,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:52:48,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481468775] [2020-10-29 03:52:48,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:52:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:48,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:51,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:51,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2844 [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 243 [2020-10-29 03:52:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:52:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:52:53,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:52:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:52:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:52:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:52:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:52:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 03:52:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 03:52:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 03:52:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 03:52:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 03:52:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 03:52:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 03:52:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 03:52:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 03:52:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 03:52:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 03:52:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-29 03:52:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-29 03:52:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-29 03:52:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:52:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:52:53,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:52:53,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:52:53,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:52:53,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:52:53,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:52:53,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:52:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:52:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:52:53,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:52:53,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:52:53,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1906 backedges. 38 proven. 1182 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2020-10-29 03:52:53,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481468775] [2020-10-29 03:52:53,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:52:53,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-29 03:52:53,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072560789] [2020-10-29 03:52:53,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-29 03:52:53,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:52:53,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-29 03:52:53,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 03:52:53,881 INFO L87 Difference]: Start difference. First operand 215 states and 217 transitions. Second operand 48 states. [2020-10-29 03:53:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:53:00,869 INFO L93 Difference]: Finished difference Result 229 states and 231 transitions. [2020-10-29 03:53:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-29 03:53:00,870 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 211 [2020-10-29 03:53:00,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:53:00,875 INFO L225 Difference]: With dead ends: 229 [2020-10-29 03:53:00,875 INFO L226 Difference]: Without dead ends: 225 [2020-10-29 03:53:00,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=198, Invalid=5058, Unknown=0, NotChecked=0, Total=5256 [2020-10-29 03:53:00,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-29 03:53:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2020-10-29 03:53:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-29 03:53:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 225 transitions. [2020-10-29 03:53:00,897 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 225 transitions. Word has length 211 [2020-10-29 03:53:00,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:53:00,898 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 225 transitions. [2020-10-29 03:53:00,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-29 03:53:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 225 transitions. [2020-10-29 03:53:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-29 03:53:00,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:53:00,900 INFO L422 BasicCegarLoop]: trace histogram [22, 21, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:53:00,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-29 03:53:00,900 INFO L429 AbstractCegarLoop]: === Iteration 42 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:53:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:53:00,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1823908786, now seen corresponding path program 40 times [2020-10-29 03:53:00,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:53:00,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869757732] [2020-10-29 03:53:00,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:53:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:01,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:05,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:05,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4214 [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-29 03:53:05,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:53:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:53:07,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:53:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:53:07,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 03:53:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 03:53:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 03:53:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 03:53:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 03:53:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 03:53:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 03:53:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 03:53:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 03:53:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 03:53:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 03:53:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 03:53:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 03:53:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 03:53:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 03:53:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 03:53:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-29 03:53:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-29 03:53:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-29 03:53:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:07,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-29 03:53:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:07,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:07,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 800 proven. 502 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-29 03:53:07,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869757732] [2020-10-29 03:53:07,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:53:07,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-29 03:53:07,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638196217] [2020-10-29 03:53:07,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-29 03:53:07,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:53:07,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-29 03:53:07,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 03:53:07,961 INFO L87 Difference]: Start difference. First operand 223 states and 225 transitions. Second operand 50 states. [2020-10-29 03:53:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:53:13,741 INFO L93 Difference]: Finished difference Result 318 states and 341 transitions. [2020-10-29 03:53:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-10-29 03:53:13,743 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 219 [2020-10-29 03:53:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:53:13,745 INFO L225 Difference]: With dead ends: 318 [2020-10-29 03:53:13,745 INFO L226 Difference]: Without dead ends: 225 [2020-10-29 03:53:13,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1994 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1580, Invalid=7162, Unknown=0, NotChecked=0, Total=8742 [2020-10-29 03:53:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-29 03:53:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-10-29 03:53:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-29 03:53:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 227 transitions. [2020-10-29 03:53:13,766 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 227 transitions. Word has length 219 [2020-10-29 03:53:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:53:13,766 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 227 transitions. [2020-10-29 03:53:13,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-29 03:53:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 227 transitions. [2020-10-29 03:53:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-29 03:53:13,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:53:13,767 INFO L422 BasicCegarLoop]: trace histogram [23, 22, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:53:13,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-29 03:53:13,768 INFO L429 AbstractCegarLoop]: === Iteration 43 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:53:13,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:53:13,768 INFO L82 PathProgramCache]: Analyzing trace with hash -372994157, now seen corresponding path program 41 times [2020-10-29 03:53:13,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:53:13,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241984765] [2020-10-29 03:53:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:53:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:13,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:13,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:17,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3876 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 255 [2020-10-29 03:53:17,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 03:53:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 03:53:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 03:53:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 03:53:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:53:20,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 03:53:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:53:20,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 03:53:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 03:53:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:53:20,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 03:53:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 03:53:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 03:53:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 03:53:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 03:53:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 03:53:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 03:53:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 03:53:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 03:53:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-29 03:53:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-29 03:53:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 03:53:20,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-29 03:53:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-29 03:53:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-29 03:53:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-29 03:53:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:20,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 03:53:20,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 03:53:20,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 03:53:20,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 03:53:20,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 03:53:20,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 03:53:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 03:53:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 03:53:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 03:53:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 03:53:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2106 backedges. 40 proven. 1304 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2020-10-29 03:53:20,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241984765] [2020-10-29 03:53:20,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 03:53:20,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-29 03:53:20,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272453089] [2020-10-29 03:53:20,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-29 03:53:20,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 03:53:20,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-29 03:53:20,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 03:53:20,778 INFO L87 Difference]: Start difference. First operand 225 states and 227 transitions. Second operand 50 states. [2020-10-29 03:53:29,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 03:53:29,130 INFO L93 Difference]: Finished difference Result 239 states and 241 transitions. [2020-10-29 03:53:29,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-29 03:53:29,132 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 221 [2020-10-29 03:53:29,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 03:53:29,134 INFO L225 Difference]: With dead ends: 239 [2020-10-29 03:53:29,134 INFO L226 Difference]: Without dead ends: 235 [2020-10-29 03:53:29,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=201, Invalid=5349, Unknown=0, NotChecked=0, Total=5550 [2020-10-29 03:53:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-29 03:53:29,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2020-10-29 03:53:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-29 03:53:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 235 transitions. [2020-10-29 03:53:29,154 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 235 transitions. Word has length 221 [2020-10-29 03:53:29,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 03:53:29,155 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 235 transitions. [2020-10-29 03:53:29,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-29 03:53:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 235 transitions. [2020-10-29 03:53:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-29 03:53:29,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 03:53:29,157 INFO L422 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 03:53:29,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-29 03:53:29,157 INFO L429 AbstractCegarLoop]: === Iteration 44 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 03:53:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 03:53:29,157 INFO L82 PathProgramCache]: Analyzing trace with hash -352787987, now seen corresponding path program 42 times [2020-10-29 03:53:29,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 03:53:29,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779059542] [2020-10-29 03:53:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 03:53:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 03:53:29,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 03:53:29,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking...