/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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-tiling/pnr2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 09:31:25,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 09:31:25,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 09:31:25,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 09:31:25,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 09:31:25,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 09:31:25,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 09:31:25,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 09:31:25,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 09:31:25,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 09:31:25,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 09:31:25,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 09:31:25,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 09:31:25,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 09:31:25,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 09:31:25,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 09:31:25,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 09:31:25,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 09:31:25,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 09:31:25,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 09:31:25,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 09:31:25,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 09:31:25,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 09:31:25,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 09:31:25,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 09:31:25,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 09:31:25,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 09:31:25,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 09:31:25,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 09:31:25,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 09:31:25,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 09:31:25,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 09:31:25,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 09:31:25,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 09:31:25,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 09:31:25,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 09:31:25,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 09:31:25,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 09:31:25,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 09:31:25,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 09:31:25,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 09:31:25,598 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 [2020-10-28 09:31:25,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 09:31:25,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 09:31:25,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 09:31:25,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 09:31:25,629 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 09:31:25,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 09:31:25,630 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 09:31:25,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 09:31:25,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 09:31:25,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 09:31:25,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 09:31:25,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 09:31:25,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 09:31:25,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 09:31:25,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 09:31:25,632 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 09:31:25,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 09:31:25,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 09:31:25,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 09:31:25,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 09:31:25,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 09:31:25,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 09:31:25,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 09:31:25,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 09:31:25,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 09:31:25,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 09:31:25,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 09:31:25,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 09:31:25,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 09:31:25,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 09:31:26,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 09:31:26,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 09:31:26,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 09:31:26,042 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 09:31:26,043 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 09:31:26,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr2.c [2020-10-28 09:31:26,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6b4c72eb/85fb5f92f6754944b1340413c647211e/FLAG1cbcf9052 [2020-10-28 09:31:26,823 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 09:31:26,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-tiling/pnr2.c [2020-10-28 09:31:26,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6b4c72eb/85fb5f92f6754944b1340413c647211e/FLAG1cbcf9052 [2020-10-28 09:31:27,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6b4c72eb/85fb5f92f6754944b1340413c647211e [2020-10-28 09:31:27,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 09:31:27,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 09:31:27,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 09:31:27,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 09:31:27,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 09:31:27,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cb84c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27, skipping insertion in model container [2020-10-28 09:31:27,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 09:31:27,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 09:31:27,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:31:27,529 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 09:31:27,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:31:27,570 INFO L208 MainTranslator]: Completed translation [2020-10-28 09:31:27,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27 WrapperNode [2020-10-28 09:31:27,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 09:31:27,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 09:31:27,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 09:31:27,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 09:31:27,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (1/1) ... [2020-10-28 09:31:27,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 09:31:27,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 09:31:27,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 09:31:27,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 09:31:27,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (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 [2020-10-28 09:31:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 09:31:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 09:31:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 09:31:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 09:31:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-28 09:31:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2020-10-28 09:31:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 09:31:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 09:31:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 09:31:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 09:31:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 09:31:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 09:31:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-28 09:31:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 09:31:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 09:31:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2020-10-28 09:31:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 09:31:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 09:31:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 09:31:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 09:31:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 09:31:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 09:31:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 09:31:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 09:31:28,127 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 09:31:28,127 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-28 09:31:28,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:28 BoogieIcfgContainer [2020-10-28 09:31:28,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 09:31:28,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 09:31:28,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 09:31:28,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 09:31:28,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:31:27" (1/3) ... [2020-10-28 09:31:28,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2895244b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:28, skipping insertion in model container [2020-10-28 09:31:28,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:27" (2/3) ... [2020-10-28 09:31:28,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2895244b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:28, skipping insertion in model container [2020-10-28 09:31:28,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:28" (3/3) ... [2020-10-28 09:31:28,139 INFO L111 eAbstractionObserver]: Analyzing ICFG pnr2.c [2020-10-28 09:31:28,150 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 09:31:28,155 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 09:31:28,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 09:31:28,200 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 09:31:28,201 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 09:31:28,201 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 09:31:28,201 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 09:31:28,201 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 09:31:28,201 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 09:31:28,202 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 09:31:28,202 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 09:31:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-10-28 09:31:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-28 09:31:28,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:28,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:28,229 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:28,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:28,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1116855565, now seen corresponding path program 1 times [2020-10-28 09:31:28,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:28,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739709627] [2020-10-28 09:31:28,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:28,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:28,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:29,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:29,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 09:31:29,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:31:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-28 09:31:29,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:29,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:29,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 09:31:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 09:31:29,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:29,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:29,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:29,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:29,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:31:29,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:29,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:29,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:29,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:29,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:29,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:29,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 09:31:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:31:29,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739709627] [2020-10-28 09:31:29,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:31:29,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 09:31:29,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137316504] [2020-10-28 09:31:29,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 09:31:29,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:29,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 09:31:29,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 09:31:29,535 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 3 states. [2020-10-28 09:31:29,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:29,672 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2020-10-28 09:31:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 09:31:29,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-28 09:31:29,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:29,683 INFO L225 Difference]: With dead ends: 76 [2020-10-28 09:31:29,683 INFO L226 Difference]: Without dead ends: 37 [2020-10-28 09:31:29,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 09:31:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-28 09:31:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-28 09:31:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-28 09:31:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2020-10-28 09:31:29,751 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 22 [2020-10-28 09:31:29,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:29,752 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2020-10-28 09:31:29,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 09:31:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2020-10-28 09:31:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-28 09:31:29,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:29,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:29,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 09:31:29,756 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:29,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:29,760 INFO L82 PathProgramCache]: Analyzing trace with hash -858690127, now seen corresponding path program 1 times [2020-10-28 09:31:29,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:29,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625842532] [2020-10-28 09:31:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:29,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:29,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:30,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:30,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 09:31:30,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:31:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-28 09:31:30,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:30,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 09:31:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:31:30,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 09:31:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 09:31:30,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:30,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:30,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:30,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:30,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:30,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 09:31:30,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:30,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:30,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:30,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:30,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:30,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:30,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:30,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:30,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:30,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:30,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:31:30,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:30,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:30,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:31:30,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625842532] [2020-10-28 09:31:30,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:31:30,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 09:31:30,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095867137] [2020-10-28 09:31:30,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 09:31:30,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:30,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 09:31:30,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:31:30,772 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 5 states. [2020-10-28 09:31:30,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:30,986 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-10-28 09:31:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 09:31:30,987 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-28 09:31:30,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:30,988 INFO L225 Difference]: With dead ends: 54 [2020-10-28 09:31:30,988 INFO L226 Difference]: Without dead ends: 42 [2020-10-28 09:31:30,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 09:31:30,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-28 09:31:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2020-10-28 09:31:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-28 09:31:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-10-28 09:31:31,003 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 22 [2020-10-28 09:31:31,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:31,004 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-10-28 09:31:31,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 09:31:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-10-28 09:31:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 09:31:31,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:31,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:31,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 09:31:31,006 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:31,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:31,007 INFO L82 PathProgramCache]: Analyzing trace with hash -804102724, now seen corresponding path program 1 times [2020-10-28 09:31:31,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:31,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577146147] [2020-10-28 09:31:31,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:31,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:31,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:31,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 09:31:31,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:31,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-28 09:31:31,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:31,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 09:31:31,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:31:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 09:31:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:31,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:31,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:31,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:31,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:31,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:31:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:31,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:31,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:31,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:31,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:31,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:31,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:31,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:31,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:31,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:31,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:31,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:31,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:31,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:31,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:31,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:31,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:31,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:31,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:31,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:31,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:31,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:31,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:31,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:31,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 09:31:31,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577146147] [2020-10-28 09:31:31,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:31,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 09:31:31,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292903864] [2020-10-28 09:31:31,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 09:31:31,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:31,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 09:31:31,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 09:31:31,696 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 10 states. [2020-10-28 09:31:32,231 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-10-28 09:31:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:32,389 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2020-10-28 09:31:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 09:31:32,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-10-28 09:31:32,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:32,393 INFO L225 Difference]: With dead ends: 75 [2020-10-28 09:31:32,393 INFO L226 Difference]: Without dead ends: 72 [2020-10-28 09:31:32,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-28 09:31:32,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-28 09:31:32,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 53. [2020-10-28 09:31:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-28 09:31:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2020-10-28 09:31:32,410 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 36 [2020-10-28 09:31:32,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:32,410 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2020-10-28 09:31:32,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 09:31:32,410 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2020-10-28 09:31:32,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 09:31:32,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:32,412 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:32,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 09:31:32,413 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:32,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:32,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1825171078, now seen corresponding path program 1 times [2020-10-28 09:31:32,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:32,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702811937] [2020-10-28 09:31:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:32,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:32,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:32,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 09:31:32,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:32,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-28 09:31:32,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:32,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 09:31:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:31:32,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 09:31:32,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:32,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:32,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:32,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:32,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:32,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:32,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:32,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:32,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:33,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:33,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:33,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:33,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:33,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:33,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:31:33,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:33,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:33,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:33,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:33,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:33,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:33,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:33,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:33,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:33,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:33,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:33,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:33,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:33,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:33,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:33,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:33,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:33,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:33,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:33,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:33,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 09:31:33,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702811937] [2020-10-28 09:31:33,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:33,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 09:31:33,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840671406] [2020-10-28 09:31:33,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 09:31:33,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:33,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 09:31:33,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-28 09:31:33,044 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand 11 states. [2020-10-28 09:31:33,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:33,739 INFO L93 Difference]: Finished difference Result 75 states and 90 transitions. [2020-10-28 09:31:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 09:31:33,741 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2020-10-28 09:31:33,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:33,744 INFO L225 Difference]: With dead ends: 75 [2020-10-28 09:31:33,744 INFO L226 Difference]: Without dead ends: 72 [2020-10-28 09:31:33,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-28 09:31:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-28 09:31:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 44. [2020-10-28 09:31:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-28 09:31:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2020-10-28 09:31:33,757 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 36 [2020-10-28 09:31:33,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:33,757 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2020-10-28 09:31:33,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 09:31:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-10-28 09:31:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 09:31:33,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:33,759 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:33,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 09:31:33,759 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:33,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:33,760 INFO L82 PathProgramCache]: Analyzing trace with hash -719364621, now seen corresponding path program 1 times [2020-10-28 09:31:33,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:33,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810548734] [2020-10-28 09:31:33,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:33,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:34,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:34,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 09:31:34,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:34,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-28 09:31:34,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:34,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 09:31:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:31:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 09:31:34,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:34,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:34,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:34,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:34,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:31:34,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:34,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:34,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:34,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:34,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:34,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:34,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:34,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:34,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:34,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:34,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:34,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:34,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:34,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:34,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:34,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:34,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:34,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:34,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:34,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:34,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:34,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:34,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:34,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:34,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:34,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:34,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:34,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:34,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 09:31:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:34,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:34,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:34,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:34,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:34,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:34,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:34,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:34,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 09:31:34,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810548734] [2020-10-28 09:31:34,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:34,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 09:31:34,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728691383] [2020-10-28 09:31:34,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 09:31:34,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:34,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 09:31:34,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-28 09:31:34,421 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 10 states. [2020-10-28 09:31:35,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:35,058 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2020-10-28 09:31:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 09:31:35,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2020-10-28 09:31:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:35,061 INFO L225 Difference]: With dead ends: 80 [2020-10-28 09:31:35,061 INFO L226 Difference]: Without dead ends: 77 [2020-10-28 09:31:35,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-10-28 09:31:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-28 09:31:35,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 63. [2020-10-28 09:31:35,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-28 09:31:35,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2020-10-28 09:31:35,082 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 44 [2020-10-28 09:31:35,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:35,082 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2020-10-28 09:31:35,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 09:31:35,082 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2020-10-28 09:31:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 09:31:35,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:35,084 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:35,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 09:31:35,085 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:35,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:35,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1581457969, now seen corresponding path program 1 times [2020-10-28 09:31:35,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:35,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356866335] [2020-10-28 09:31:35,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:35,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:35,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:35,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 09:31:35,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:35,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-28 09:31:35,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:35,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 09:31:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:31:35,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 09:31:35,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 09:31:35,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:35,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:35,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:35,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:35,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:35,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:31:35,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:35,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:35,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:35,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:35,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:35,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:35,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 09:31:35,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:35,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:35,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:35,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:35,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:35,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 09:31:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:35,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:35,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:35,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:35,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:35,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 09:31:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:35,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:35,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:35,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:35,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:35,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:35,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 09:31:35,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356866335] [2020-10-28 09:31:35,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:35,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 09:31:35,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665736719] [2020-10-28 09:31:35,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 09:31:35,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:35,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 09:31:35,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-28 09:31:35,876 INFO L87 Difference]: Start difference. First operand 63 states and 73 transitions. Second operand 11 states. [2020-10-28 09:31:36,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:36,474 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2020-10-28 09:31:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 09:31:36,475 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 44 [2020-10-28 09:31:36,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:36,479 INFO L225 Difference]: With dead ends: 84 [2020-10-28 09:31:36,480 INFO L226 Difference]: Without dead ends: 81 [2020-10-28 09:31:36,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2020-10-28 09:31:36,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-28 09:31:36,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 52. [2020-10-28 09:31:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-28 09:31:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2020-10-28 09:31:36,503 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 44 [2020-10-28 09:31:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:36,504 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2020-10-28 09:31:36,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 09:31:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2020-10-28 09:31:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 09:31:36,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:36,509 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:36,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 09:31:36,509 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:36,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:36,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1474311978, now seen corresponding path program 2 times [2020-10-28 09:31:36,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:36,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264447074] [2020-10-28 09:31:36,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:36,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:36,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:37,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-28 09:31:37,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:31:37,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-10-28 09:31:37,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:37,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 09:31:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 09:31:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 09:31:37,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:37,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:37,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:37,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:37,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:37,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 09:31:37,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:37,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:37,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:37,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:37,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:37,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:31:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 09:31:37,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:37,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:37,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:37,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:37,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:37,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:37,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:37,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:37,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:37,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:37,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:37,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:37,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:37,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:37,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:37,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:37,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:37,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:37,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:37,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:37,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 09:31:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:37,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:37,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:37,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:37,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:37,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:37,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:37,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:37,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:37,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:37,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:37,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 09:31:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:37,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:37,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:37,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:37,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:37,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:37,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:37,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:37,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:37,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:37,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:37,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 09:31:37,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264447074] [2020-10-28 09:31:37,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:37,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 09:31:37,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637818947] [2020-10-28 09:31:37,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 09:31:37,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:37,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 09:31:37,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 09:31:37,543 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 10 states. [2020-10-28 09:31:38,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:38,265 INFO L93 Difference]: Finished difference Result 98 states and 111 transitions. [2020-10-28 09:31:38,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 09:31:38,266 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-10-28 09:31:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:38,267 INFO L225 Difference]: With dead ends: 98 [2020-10-28 09:31:38,267 INFO L226 Difference]: Without dead ends: 69 [2020-10-28 09:31:38,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2020-10-28 09:31:38,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-28 09:31:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 60. [2020-10-28 09:31:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-28 09:31:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2020-10-28 09:31:38,284 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 52 [2020-10-28 09:31:38,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:38,284 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2020-10-28 09:31:38,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 09:31:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2020-10-28 09:31:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 09:31:38,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:38,286 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:38,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 09:31:38,287 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:38,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:38,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1289601525, now seen corresponding path program 3 times [2020-10-28 09:31:38,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:38,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631298653] [2020-10-28 09:31:38,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:38,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:38,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:38,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 09:31:38,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-28 09:31:38,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:38,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 09:31:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:31:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 09:31:38,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:39,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 09:31:39,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:39,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:39,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:39,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:39,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:39,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:39,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:39,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:39,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:39,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:39,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:39,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:39,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:39,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:39,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:39,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:39,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 09:31:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:39,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 09:31:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:39,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:39,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:39,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:39,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:39,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:39,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:39,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:39,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:39,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-28 09:31:39,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631298653] [2020-10-28 09:31:39,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:39,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 09:31:39,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939155410] [2020-10-28 09:31:39,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 09:31:39,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:39,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 09:31:39,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-28 09:31:39,166 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand 13 states. [2020-10-28 09:31:40,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:40,138 INFO L93 Difference]: Finished difference Result 124 states and 156 transitions. [2020-10-28 09:31:40,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 09:31:40,139 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 66 [2020-10-28 09:31:40,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:40,143 INFO L225 Difference]: With dead ends: 124 [2020-10-28 09:31:40,143 INFO L226 Difference]: Without dead ends: 121 [2020-10-28 09:31:40,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2020-10-28 09:31:40,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-28 09:31:40,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 83. [2020-10-28 09:31:40,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-28 09:31:40,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 98 transitions. [2020-10-28 09:31:40,176 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 98 transitions. Word has length 66 [2020-10-28 09:31:40,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:40,177 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 98 transitions. [2020-10-28 09:31:40,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 09:31:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2020-10-28 09:31:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 09:31:40,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:40,179 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:40,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 09:31:40,179 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:40,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:40,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1564361139, now seen corresponding path program 1 times [2020-10-28 09:31:40,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:40,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831426144] [2020-10-28 09:31:40,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:40,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:40,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:40,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 09:31:40,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:40,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-28 09:31:40,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:40,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 09:31:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:31:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 09:31:40,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:41,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:41,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:41,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:41,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:31:41,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:41,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:41,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:41,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:41,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:41,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:41,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:41,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:41,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:41,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:41,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:41,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 09:31:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:41,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:41,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:41,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 09:31:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:41,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:41,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:41,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:41,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:41,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:41,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:41,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:41,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-28 09:31:41,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831426144] [2020-10-28 09:31:41,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:41,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 09:31:41,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188782176] [2020-10-28 09:31:41,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 09:31:41,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:41,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 09:31:41,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-28 09:31:41,192 INFO L87 Difference]: Start difference. First operand 83 states and 98 transitions. Second operand 14 states. [2020-10-28 09:31:42,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:42,161 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2020-10-28 09:31:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 09:31:42,162 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2020-10-28 09:31:42,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:42,163 INFO L225 Difference]: With dead ends: 125 [2020-10-28 09:31:42,163 INFO L226 Difference]: Without dead ends: 122 [2020-10-28 09:31:42,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2020-10-28 09:31:42,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-28 09:31:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 68. [2020-10-28 09:31:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-28 09:31:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2020-10-28 09:31:42,198 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 66 [2020-10-28 09:31:42,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:42,198 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2020-10-28 09:31:42,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 09:31:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2020-10-28 09:31:42,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 09:31:42,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:42,206 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:42,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 09:31:42,207 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:42,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:42,207 INFO L82 PathProgramCache]: Analyzing trace with hash 360937772, now seen corresponding path program 4 times [2020-10-28 09:31:42,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:42,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532917311] [2020-10-28 09:31:42,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:42,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:42,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:42,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 09:31:42,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 651 [2020-10-28 09:31:42,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:42,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 09:31:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:31:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 09:31:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:43,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:31:43,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:43,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:43,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:43,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:43,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:43,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:43,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:43,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:43,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:43,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:43,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:43,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:43,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:43,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:43,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:43,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:43,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:43,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:43,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 09:31:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:43,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:43,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:43,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 09:31:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:43,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:43,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:43,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:43,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 09:31:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:43,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:43,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:43,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:43,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:43,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:43,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:43,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-28 09:31:43,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532917311] [2020-10-28 09:31:43,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:43,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 09:31:43,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420262160] [2020-10-28 09:31:43,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 09:31:43,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:43,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 09:31:43,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-28 09:31:43,264 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand 13 states. [2020-10-28 09:31:44,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:44,316 INFO L93 Difference]: Finished difference Result 127 states and 155 transitions. [2020-10-28 09:31:44,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 09:31:44,317 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 74 [2020-10-28 09:31:44,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:44,319 INFO L225 Difference]: With dead ends: 127 [2020-10-28 09:31:44,319 INFO L226 Difference]: Without dead ends: 124 [2020-10-28 09:31:44,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2020-10-28 09:31:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-28 09:31:44,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 95. [2020-10-28 09:31:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-28 09:31:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2020-10-28 09:31:44,340 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 74 [2020-10-28 09:31:44,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:44,341 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2020-10-28 09:31:44,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 09:31:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2020-10-28 09:31:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 09:31:44,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:44,342 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:44,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 09:31:44,342 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:44,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:44,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1883045526, now seen corresponding path program 1 times [2020-10-28 09:31:44,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:44,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979663571] [2020-10-28 09:31:44,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 09:31:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-28 09:31:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:44,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 09:31:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:31:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-28 09:31:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:45,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:31:45,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:45,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:45,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:45,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:45,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:45,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:45,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:45,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:45,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:45,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:45,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 09:31:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:45,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 09:31:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:45,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:45,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 09:31:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:45,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:45,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:45,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:45,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:45,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-28 09:31:45,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979663571] [2020-10-28 09:31:45,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:45,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 09:31:45,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395225075] [2020-10-28 09:31:45,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 09:31:45,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:45,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 09:31:45,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-28 09:31:45,456 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. Second operand 14 states. [2020-10-28 09:31:46,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:46,613 INFO L93 Difference]: Finished difference Result 134 states and 164 transitions. [2020-10-28 09:31:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 09:31:46,613 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 74 [2020-10-28 09:31:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:46,615 INFO L225 Difference]: With dead ends: 134 [2020-10-28 09:31:46,615 INFO L226 Difference]: Without dead ends: 131 [2020-10-28 09:31:46,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=551, Unknown=0, NotChecked=0, Total=650 [2020-10-28 09:31:46,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-28 09:31:46,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 76. [2020-10-28 09:31:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-28 09:31:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2020-10-28 09:31:46,632 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 74 [2020-10-28 09:31:46,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:46,633 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2020-10-28 09:31:46,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 09:31:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2020-10-28 09:31:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-28 09:31:46,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:46,634 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:46,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 09:31:46,634 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:46,635 INFO L82 PathProgramCache]: Analyzing trace with hash 792070499, now seen corresponding path program 5 times [2020-10-28 09:31:46,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:46,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113440272] [2020-10-28 09:31:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:46,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:46,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:47,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:47,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 09:31:47,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:31:47,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1255 [2020-10-28 09:31:47,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:47,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 09:31:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 09:31:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 09:31:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:48,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:48,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:48,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:48,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:31:48,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 09:31:48,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:48,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:48,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:48,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:48,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:48,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:48,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:48,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:48,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:48,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:48,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:48,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:48,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:48,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 09:31:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:48,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:48,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 09:31:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:48,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:48,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 09:31:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:48,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:48,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 09:31:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:48,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:48,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:48,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:48,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:48,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 40 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 09:31:48,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113440272] [2020-10-28 09:31:48,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:48,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 09:31:48,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871185869] [2020-10-28 09:31:48,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 09:31:48,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:48,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 09:31:48,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-28 09:31:48,326 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand 13 states. [2020-10-28 09:31:49,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:49,351 INFO L93 Difference]: Finished difference Result 136 states and 153 transitions. [2020-10-28 09:31:49,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 09:31:49,352 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 82 [2020-10-28 09:31:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:49,355 INFO L225 Difference]: With dead ends: 136 [2020-10-28 09:31:49,357 INFO L226 Difference]: Without dead ends: 91 [2020-10-28 09:31:49,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2020-10-28 09:31:49,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-28 09:31:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-10-28 09:31:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-28 09:31:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 96 transitions. [2020-10-28 09:31:49,383 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 96 transitions. Word has length 82 [2020-10-28 09:31:49,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:49,386 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 96 transitions. [2020-10-28 09:31:49,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 09:31:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2020-10-28 09:31:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 09:31:49,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:49,387 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:49,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 09:31:49,388 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:49,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:49,388 INFO L82 PathProgramCache]: Analyzing trace with hash 469556974, now seen corresponding path program 6 times [2020-10-28 09:31:49,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:49,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280737365] [2020-10-28 09:31:49,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:49,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 09:31:50,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 736 [2020-10-28 09:31:50,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 09:31:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:31:50,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-28 09:31:50,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:50,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 09:31:50,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:50,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:50,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:50,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:50,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:50,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:50,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:50,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:50,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:50,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:50,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:50,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:31:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:50,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:31:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:50,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:50,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 09:31:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 09:31:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:50,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:50,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 09:31:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:50,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:50,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 09:31:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:50,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:50,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:50,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:50,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:50,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:50,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 8 proven. 59 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-28 09:31:50,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280737365] [2020-10-28 09:31:50,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:50,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 09:31:50,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638694704] [2020-10-28 09:31:50,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 09:31:50,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:50,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 09:31:50,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-28 09:31:50,603 INFO L87 Difference]: Start difference. First operand 84 states and 96 transitions. Second operand 16 states. [2020-10-28 09:31:52,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:52,507 INFO L93 Difference]: Finished difference Result 194 states and 250 transitions. [2020-10-28 09:31:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 09:31:52,508 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 96 [2020-10-28 09:31:52,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:52,512 INFO L225 Difference]: With dead ends: 194 [2020-10-28 09:31:52,512 INFO L226 Difference]: Without dead ends: 191 [2020-10-28 09:31:52,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2020-10-28 09:31:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-28 09:31:52,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 115. [2020-10-28 09:31:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 09:31:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 136 transitions. [2020-10-28 09:31:52,538 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 136 transitions. Word has length 96 [2020-10-28 09:31:52,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:52,538 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 136 transitions. [2020-10-28 09:31:52,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 09:31:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2020-10-28 09:31:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 09:31:52,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:52,540 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:52,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 09:31:52,540 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:52,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:52,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1886248276, now seen corresponding path program 2 times [2020-10-28 09:31:52,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:52,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407188243] [2020-10-28 09:31:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:52,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-28 09:31:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:53,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:53,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:53,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:53,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:53,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:31:53,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:53,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:53,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:53,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:53,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:53,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:53,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:53,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:53,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:53,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:31:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:53,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 09:31:53,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:31:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:53,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:31:53,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 09:31:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:53,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:31:53,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:53,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:53,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 09:31:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:53,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:53,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:53,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:31:53,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 09:31:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:53,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:53,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:53,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 09:31:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:53,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:53,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:53,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:53,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:31:53,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:53,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:53,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:53,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:53,902 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 8 proven. 59 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-28 09:31:53,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407188243] [2020-10-28 09:31:53,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:53,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 09:31:53,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848910348] [2020-10-28 09:31:53,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 09:31:53,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:53,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 09:31:53,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2020-10-28 09:31:53,905 INFO L87 Difference]: Start difference. First operand 115 states and 136 transitions. Second operand 17 states. [2020-10-28 09:31:55,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:55,500 INFO L93 Difference]: Finished difference Result 175 states and 222 transitions. [2020-10-28 09:31:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 09:31:55,501 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 96 [2020-10-28 09:31:55,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:55,503 INFO L225 Difference]: With dead ends: 175 [2020-10-28 09:31:55,504 INFO L226 Difference]: Without dead ends: 172 [2020-10-28 09:31:55,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=966, Unknown=0, NotChecked=0, Total=1122 [2020-10-28 09:31:55,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-28 09:31:55,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 92. [2020-10-28 09:31:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-28 09:31:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2020-10-28 09:31:55,525 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 96 [2020-10-28 09:31:55,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:55,525 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2020-10-28 09:31:55,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 09:31:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2020-10-28 09:31:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 09:31:55,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:55,527 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:55,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 09:31:55,527 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:55,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash 139889957, now seen corresponding path program 7 times [2020-10-28 09:31:55,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:55,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742181994] [2020-10-28 09:31:55,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:55,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 09:31:56,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-28 09:31:56,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 09:31:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:31:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 09:31:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:31:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:56,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 09:31:56,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:31:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:56,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:56,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:31:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:31:56,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:31:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:31:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:56,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:56,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:56,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:31:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:56,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:56,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:56,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:31:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:56,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:56,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:31:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:56,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:56,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:31:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:31:56,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:56,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:31:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 09:31:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:56,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 09:31:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:56,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:56,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 09:31:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:56,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 09:31:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:56,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:31:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:31:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:56,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:56,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:31:56,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:56,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:31:56,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:56,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:56,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:31:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:31:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:31:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:31:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 10 proven. 77 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-28 09:31:56,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742181994] [2020-10-28 09:31:56,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:31:56,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 09:31:56,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537873013] [2020-10-28 09:31:56,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 09:31:56,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:31:56,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 09:31:56,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2020-10-28 09:31:56,707 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 16 states. [2020-10-28 09:31:58,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:31:58,811 INFO L93 Difference]: Finished difference Result 206 states and 263 transitions. [2020-10-28 09:31:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 09:31:58,812 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 104 [2020-10-28 09:31:58,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:31:58,814 INFO L225 Difference]: With dead ends: 206 [2020-10-28 09:31:58,814 INFO L226 Difference]: Without dead ends: 203 [2020-10-28 09:31:58,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=153, Invalid=1179, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 09:31:58,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-28 09:31:58,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 127. [2020-10-28 09:31:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-28 09:31:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2020-10-28 09:31:58,856 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 104 [2020-10-28 09:31:58,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:31:58,856 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2020-10-28 09:31:58,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 09:31:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2020-10-28 09:31:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 09:31:58,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:31:58,863 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:31:58,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 09:31:58,864 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:31:58,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:31:58,864 INFO L82 PathProgramCache]: Analyzing trace with hash -341190301, now seen corresponding path program 2 times [2020-10-28 09:31:58,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:31:58,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514719237] [2020-10-28 09:31:58,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:31:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:31:58,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:31:59,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:31:59,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 09:31:59,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:31:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-10-28 09:31:59,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:31:59,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:31:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-28 09:31:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:31:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-28 09:31:59,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:32:00,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:00,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:00,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:00,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:00,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:32:00,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:00,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:00,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:00,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:00,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:00,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:00,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 09:32:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:00,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 09:32:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:00,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 09:32:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:00,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 09:32:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:00,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:32:00,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:00,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:32:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:00,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:00,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:00,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:00,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:00,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:00,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:00,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:00,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:00,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 10 proven. 77 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-28 09:32:00,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514719237] [2020-10-28 09:32:00,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:00,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 09:32:00,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362798648] [2020-10-28 09:32:00,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 09:32:00,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:00,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 09:32:00,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-28 09:32:00,260 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 17 states. [2020-10-28 09:32:02,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:02,151 INFO L93 Difference]: Finished difference Result 184 states and 230 transitions. [2020-10-28 09:32:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 09:32:02,152 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 104 [2020-10-28 09:32:02,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:02,154 INFO L225 Difference]: With dead ends: 184 [2020-10-28 09:32:02,154 INFO L226 Difference]: Without dead ends: 181 [2020-10-28 09:32:02,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=150, Invalid=1040, Unknown=0, NotChecked=0, Total=1190 [2020-10-28 09:32:02,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-28 09:32:02,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 100. [2020-10-28 09:32:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-28 09:32:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 112 transitions. [2020-10-28 09:32:02,175 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 112 transitions. Word has length 104 [2020-10-28 09:32:02,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:02,176 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 112 transitions. [2020-10-28 09:32:02,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 09:32:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 112 transitions. [2020-10-28 09:32:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-28 09:32:02,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:02,178 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:02,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 09:32:02,178 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:02,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:02,178 INFO L82 PathProgramCache]: Analyzing trace with hash -371846052, now seen corresponding path program 8 times [2020-10-28 09:32:02,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:02,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558352064] [2020-10-28 09:32:02,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:02,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:02,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:03,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:03,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 09:32:03,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:32:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1611 [2020-10-28 09:32:03,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:03,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 09:32:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 09:32:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 09:32:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:04,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:32:04,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:04,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:04,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:04,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:04,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:04,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:04,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:04,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:04,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:04,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:04,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:04,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:04,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:04,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:04,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:04,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 09:32:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:04,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 09:32:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:04,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 09:32:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:04,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:04,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 09:32:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:04,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:32:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:04,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:04,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 09:32:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:04,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:04,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:04,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:04,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:04,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:04,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:04,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:04,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:04,223 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 84 proven. 27 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-28 09:32:04,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558352064] [2020-10-28 09:32:04,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:04,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 09:32:04,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399408848] [2020-10-28 09:32:04,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 09:32:04,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:04,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 09:32:04,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-10-28 09:32:04,225 INFO L87 Difference]: Start difference. First operand 100 states and 112 transitions. Second operand 16 states. [2020-10-28 09:32:05,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:05,342 INFO L93 Difference]: Finished difference Result 176 states and 197 transitions. [2020-10-28 09:32:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 09:32:05,343 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 112 [2020-10-28 09:32:05,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:05,344 INFO L225 Difference]: With dead ends: 176 [2020-10-28 09:32:05,344 INFO L226 Difference]: Without dead ends: 115 [2020-10-28 09:32:05,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2020-10-28 09:32:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-28 09:32:05,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 108. [2020-10-28 09:32:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-28 09:32:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2020-10-28 09:32:05,373 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 112 [2020-10-28 09:32:05,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:05,373 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2020-10-28 09:32:05,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 09:32:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2020-10-28 09:32:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-28 09:32:05,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:05,375 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:05,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 09:32:05,375 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:05,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:05,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1054939993, now seen corresponding path program 9 times [2020-10-28 09:32:05,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:05,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238253002] [2020-10-28 09:32:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:05,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-28 09:32:06,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-10-28 09:32:06,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-28 09:32:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:32:06,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-28 09:32:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:06,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:06,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:32:06,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:06,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:32:06,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:06,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:06,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:06,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 09:32:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:06,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:06,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 09:32:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:06,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:06,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 09:32:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:06,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 09:32:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:06,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 09:32:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:06,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:32:06,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:06,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 09:32:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:06,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:06,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:06,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:06,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:06,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:06,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:06,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:06,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:06,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:06,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 12 proven. 124 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-28 09:32:07,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238253002] [2020-10-28 09:32:07,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:07,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-28 09:32:07,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829041351] [2020-10-28 09:32:07,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-28 09:32:07,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:07,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-28 09:32:07,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2020-10-28 09:32:07,031 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 19 states. [2020-10-28 09:32:10,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:10,835 INFO L93 Difference]: Finished difference Result 319 states and 426 transitions. [2020-10-28 09:32:10,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-28 09:32:10,835 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 126 [2020-10-28 09:32:10,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:10,839 INFO L225 Difference]: With dead ends: 319 [2020-10-28 09:32:10,839 INFO L226 Difference]: Without dead ends: 316 [2020-10-28 09:32:10,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=340, Invalid=2966, Unknown=0, NotChecked=0, Total=3306 [2020-10-28 09:32:10,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-10-28 09:32:10,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 147. [2020-10-28 09:32:10,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-28 09:32:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2020-10-28 09:32:10,872 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 126 [2020-10-28 09:32:10,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:10,872 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2020-10-28 09:32:10,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-28 09:32:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2020-10-28 09:32:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-28 09:32:10,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:10,874 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:10,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 09:32:10,875 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:10,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:10,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1109332891, now seen corresponding path program 3 times [2020-10-28 09:32:10,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:10,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230416733] [2020-10-28 09:32:10,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:10,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:11,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:11,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-28 09:32:11,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:11,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 989 [2020-10-28 09:32:11,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:11,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:11,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-28 09:32:11,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:32:11,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 09:32:11,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:12,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:12,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:12,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 09:32:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:12,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:12,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 09:32:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:12,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 09:32:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:12,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 09:32:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:12,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:12,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 09:32:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:12,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 09:32:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:12,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:12,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:12,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:12,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:12,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:12,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:12,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:12,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:12,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 12 proven. 124 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-28 09:32:12,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230416733] [2020-10-28 09:32:12,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:12,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-28 09:32:12,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153556302] [2020-10-28 09:32:12,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-28 09:32:12,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:12,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-28 09:32:12,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2020-10-28 09:32:12,878 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 20 states. [2020-10-28 09:32:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:15,564 INFO L93 Difference]: Finished difference Result 225 states and 288 transitions. [2020-10-28 09:32:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 09:32:15,565 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 126 [2020-10-28 09:32:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:15,570 INFO L225 Difference]: With dead ends: 225 [2020-10-28 09:32:15,570 INFO L226 Difference]: Without dead ends: 222 [2020-10-28 09:32:15,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=212, Invalid=1594, Unknown=0, NotChecked=0, Total=1806 [2020-10-28 09:32:15,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-28 09:32:15,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 116. [2020-10-28 09:32:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-28 09:32:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2020-10-28 09:32:15,601 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 126 [2020-10-28 09:32:15,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:15,601 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2020-10-28 09:32:15,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-28 09:32:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2020-10-28 09:32:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 09:32:15,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:15,603 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:15,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-28 09:32:15,604 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:15,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:15,604 INFO L82 PathProgramCache]: Analyzing trace with hash -417871394, now seen corresponding path program 10 times [2020-10-28 09:32:15,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:15,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273490573] [2020-10-28 09:32:15,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:15,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:16,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:16,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 09:32:16,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-10-28 09:32:16,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:16,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-28 09:32:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:32:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-28 09:32:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:17,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:17,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:17,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:17,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:17,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:17,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 09:32:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 09:32:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:17,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 09:32:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 09:32:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 09:32:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 09:32:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:17,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 09:32:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:17,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:17,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:17,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:17,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:17,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 14 proven. 150 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2020-10-28 09:32:17,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273490573] [2020-10-28 09:32:17,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:17,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-28 09:32:17,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842527307] [2020-10-28 09:32:17,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-28 09:32:17,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:17,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-28 09:32:17,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-28 09:32:17,230 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand 19 states. [2020-10-28 09:32:21,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:21,387 INFO L93 Difference]: Finished difference Result 340 states and 453 transitions. [2020-10-28 09:32:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-28 09:32:21,388 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 134 [2020-10-28 09:32:21,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:21,391 INFO L225 Difference]: With dead ends: 340 [2020-10-28 09:32:21,392 INFO L226 Difference]: Without dead ends: 337 [2020-10-28 09:32:21,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=355, Invalid=3305, Unknown=0, NotChecked=0, Total=3660 [2020-10-28 09:32:21,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-10-28 09:32:21,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 159. [2020-10-28 09:32:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-28 09:32:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 187 transitions. [2020-10-28 09:32:21,426 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 187 transitions. Word has length 134 [2020-10-28 09:32:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:21,427 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 187 transitions. [2020-10-28 09:32:21,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-28 09:32:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 187 transitions. [2020-10-28 09:32:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 09:32:21,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:21,429 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:21,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-28 09:32:21,429 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:21,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:21,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1149838820, now seen corresponding path program 3 times [2020-10-28 09:32:21,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:21,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755243398] [2020-10-28 09:32:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 09:32:22,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 998 [2020-10-28 09:32:22,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-28 09:32:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:32:22,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-28 09:32:22,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:32:22,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:22,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:22,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 09:32:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 09:32:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 09:32:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 09:32:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 09:32:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:22,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 09:32:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:22,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:22,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 09:32:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:22,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:22,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:22,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:22,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:22,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:22,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:22,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:22,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 14 proven. 150 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2020-10-28 09:32:23,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755243398] [2020-10-28 09:32:23,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:23,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-28 09:32:23,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032656778] [2020-10-28 09:32:23,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-28 09:32:23,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:23,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-28 09:32:23,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2020-10-28 09:32:23,018 INFO L87 Difference]: Start difference. First operand 159 states and 187 transitions. Second operand 20 states. [2020-10-28 09:32:25,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:25,569 INFO L93 Difference]: Finished difference Result 234 states and 296 transitions. [2020-10-28 09:32:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 09:32:25,570 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 134 [2020-10-28 09:32:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:25,573 INFO L225 Difference]: With dead ends: 234 [2020-10-28 09:32:25,574 INFO L226 Difference]: Without dead ends: 231 [2020-10-28 09:32:25,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=202, Invalid=1604, Unknown=0, NotChecked=0, Total=1806 [2020-10-28 09:32:25,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-28 09:32:25,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 124. [2020-10-28 09:32:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-28 09:32:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 140 transitions. [2020-10-28 09:32:25,597 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 140 transitions. Word has length 134 [2020-10-28 09:32:25,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:25,597 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 140 transitions. [2020-10-28 09:32:25,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-28 09:32:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 140 transitions. [2020-10-28 09:32:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-28 09:32:25,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:25,600 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:25,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-28 09:32:25,600 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:25,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:25,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1492154347, now seen corresponding path program 11 times [2020-10-28 09:32:25,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:25,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238446595] [2020-10-28 09:32:25,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:25,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:26,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:27,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:27,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-28 09:32:27,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:32:27,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1993 [2020-10-28 09:32:27,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:27,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-28 09:32:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 09:32:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-28 09:32:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:28,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:32:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 09:32:28,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:32:28,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:28,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:28,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:28,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:28,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 09:32:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 09:32:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 09:32:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 09:32:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 09:32:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 09:32:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 09:32:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 09:32:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:28,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:28,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:28,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:28,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:28,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:28,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:28,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 144 proven. 52 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2020-10-28 09:32:28,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238446595] [2020-10-28 09:32:28,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:28,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-28 09:32:28,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178872757] [2020-10-28 09:32:28,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-28 09:32:28,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:28,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-28 09:32:28,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2020-10-28 09:32:28,276 INFO L87 Difference]: Start difference. First operand 124 states and 140 transitions. Second operand 19 states. [2020-10-28 09:32:29,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:29,897 INFO L93 Difference]: Finished difference Result 216 states and 241 transitions. [2020-10-28 09:32:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 09:32:29,903 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 142 [2020-10-28 09:32:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:29,905 INFO L225 Difference]: With dead ends: 216 [2020-10-28 09:32:29,905 INFO L226 Difference]: Without dead ends: 139 [2020-10-28 09:32:29,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=277, Invalid=1055, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 09:32:29,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-28 09:32:29,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2020-10-28 09:32:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-28 09:32:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 152 transitions. [2020-10-28 09:32:29,930 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 152 transitions. Word has length 142 [2020-10-28 09:32:29,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:29,930 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 152 transitions. [2020-10-28 09:32:29,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-28 09:32:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2020-10-28 09:32:29,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 09:32:29,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:29,932 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:29,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-28 09:32:29,932 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:29,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:29,933 INFO L82 PathProgramCache]: Analyzing trace with hash -750845152, now seen corresponding path program 12 times [2020-10-28 09:32:29,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:29,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [98045844] [2020-10-28 09:32:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:29,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1158 [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:32:31,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-28 09:32:31,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:31,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:31,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:32:31,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:32:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:32:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 09:32:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 09:32:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:31,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 09:32:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 09:32:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 09:32:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 09:32:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:31,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 09:32:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 09:32:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:31,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:31,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:31,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:31,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:31,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:31,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 16 proven. 213 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-28 09:32:31,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [98045844] [2020-10-28 09:32:31,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:31,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-28 09:32:31,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487930583] [2020-10-28 09:32:31,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-28 09:32:31,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:31,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-28 09:32:31,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2020-10-28 09:32:31,816 INFO L87 Difference]: Start difference. First operand 132 states and 152 transitions. Second operand 22 states. [2020-10-28 09:32:38,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:38,919 INFO L93 Difference]: Finished difference Result 554 states and 766 transitions. [2020-10-28 09:32:38,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2020-10-28 09:32:38,920 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 156 [2020-10-28 09:32:38,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:38,925 INFO L225 Difference]: With dead ends: 554 [2020-10-28 09:32:38,925 INFO L226 Difference]: Without dead ends: 551 [2020-10-28 09:32:38,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3348 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=906, Invalid=9600, Unknown=0, NotChecked=0, Total=10506 [2020-10-28 09:32:38,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-10-28 09:32:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 179. [2020-10-28 09:32:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-28 09:32:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 212 transitions. [2020-10-28 09:32:38,973 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 212 transitions. Word has length 156 [2020-10-28 09:32:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:38,973 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 212 transitions. [2020-10-28 09:32:38,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-28 09:32:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 212 transitions. [2020-10-28 09:32:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 09:32:38,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:38,975 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:38,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-28 09:32:38,975 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:38,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:38,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1893347618, now seen corresponding path program 4 times [2020-10-28 09:32:38,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:38,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441780416] [2020-10-28 09:32:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:39,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:40,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:40,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 09:32:40,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:40,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1272 [2020-10-28 09:32:40,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:40,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-28 09:32:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:32:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-28 09:32:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:41,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:32:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:32:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:41,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:41,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 09:32:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 09:32:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 09:32:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:41,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 09:32:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 09:32:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 09:32:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 09:32:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 09:32:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:41,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:41,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:41,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:41,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 16 proven. 213 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-28 09:32:41,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441780416] [2020-10-28 09:32:41,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:41,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-28 09:32:41,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576022165] [2020-10-28 09:32:41,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-28 09:32:41,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:41,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-28 09:32:41,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2020-10-28 09:32:41,312 INFO L87 Difference]: Start difference. First operand 179 states and 212 transitions. Second operand 23 states. [2020-10-28 09:32:44,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:44,790 INFO L93 Difference]: Finished difference Result 275 states and 354 transitions. [2020-10-28 09:32:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-28 09:32:44,790 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 156 [2020-10-28 09:32:44,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:44,793 INFO L225 Difference]: With dead ends: 275 [2020-10-28 09:32:44,793 INFO L226 Difference]: Without dead ends: 272 [2020-10-28 09:32:44,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=272, Invalid=2278, Unknown=0, NotChecked=0, Total=2550 [2020-10-28 09:32:44,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-28 09:32:44,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 140. [2020-10-28 09:32:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-28 09:32:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 160 transitions. [2020-10-28 09:32:44,827 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 160 transitions. Word has length 156 [2020-10-28 09:32:44,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:44,827 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 160 transitions. [2020-10-28 09:32:44,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-28 09:32:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 160 transitions. [2020-10-28 09:32:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-28 09:32:44,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:44,829 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:44,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-28 09:32:44,829 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:44,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:44,830 INFO L82 PathProgramCache]: Analyzing trace with hash -225288361, now seen corresponding path program 13 times [2020-10-28 09:32:44,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:44,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677825070] [2020-10-28 09:32:44,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:44,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-28 09:32:46,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1157 [2020-10-28 09:32:46,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-28 09:32:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:32:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-28 09:32:46,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:46,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:46,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 09:32:46,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:46,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:46,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:46,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:32:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:32:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:46,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:46,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 09:32:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 09:32:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 09:32:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 09:32:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 09:32:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 09:32:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 09:32:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 09:32:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 09:32:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:46,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:46,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:46,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:46,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:46,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:46,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:46,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 18 proven. 247 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-28 09:32:46,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677825070] [2020-10-28 09:32:46,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:46,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-28 09:32:46,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107853424] [2020-10-28 09:32:46,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-28 09:32:46,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:46,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-28 09:32:46,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2020-10-28 09:32:46,721 INFO L87 Difference]: Start difference. First operand 140 states and 160 transitions. Second operand 22 states. [2020-10-28 09:32:55,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:32:55,085 INFO L93 Difference]: Finished difference Result 584 states and 807 transitions. [2020-10-28 09:32:55,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2020-10-28 09:32:55,086 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 164 [2020-10-28 09:32:55,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:32:55,091 INFO L225 Difference]: With dead ends: 584 [2020-10-28 09:32:55,092 INFO L226 Difference]: Without dead ends: 581 [2020-10-28 09:32:55,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3624 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=938, Invalid=10618, Unknown=0, NotChecked=0, Total=11556 [2020-10-28 09:32:55,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-10-28 09:32:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 191. [2020-10-28 09:32:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-28 09:32:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 225 transitions. [2020-10-28 09:32:55,147 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 225 transitions. Word has length 164 [2020-10-28 09:32:55,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:32:55,148 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 225 transitions. [2020-10-28 09:32:55,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-28 09:32:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 225 transitions. [2020-10-28 09:32:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-28 09:32:55,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:32:55,150 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:32:55,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-28 09:32:55,150 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:32:55,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:32:55,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1341469589, now seen corresponding path program 4 times [2020-10-28 09:32:55,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:32:55,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300550327] [2020-10-28 09:32:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:32:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:55,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1172 [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-28 09:32:56,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:32:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-28 09:32:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:32:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:57,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:32:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:32:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:32:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:32:57,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:32:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:32:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:32:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:32:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:32:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:32:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:32:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:32:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:32:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:32:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:32:57,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:32:57,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 09:32:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 09:32:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 09:32:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 09:32:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 09:32:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 09:32:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 09:32:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 09:32:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 09:32:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:32:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:32:57,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:32:57,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:32:57,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:32:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:32:57,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:32:57,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:32:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:32:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:32:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:32:57,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:32:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 18 proven. 247 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-28 09:32:57,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300550327] [2020-10-28 09:32:57,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:32:57,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-28 09:32:57,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771601971] [2020-10-28 09:32:57,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-28 09:32:57,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:32:57,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-28 09:32:57,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2020-10-28 09:32:57,613 INFO L87 Difference]: Start difference. First operand 191 states and 225 transitions. Second operand 23 states. [2020-10-28 09:33:01,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:33:01,762 INFO L93 Difference]: Finished difference Result 284 states and 362 transitions. [2020-10-28 09:33:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-28 09:33:01,763 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 164 [2020-10-28 09:33:01,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:33:01,767 INFO L225 Difference]: With dead ends: 284 [2020-10-28 09:33:01,767 INFO L226 Difference]: Without dead ends: 281 [2020-10-28 09:33:01,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=270, Invalid=2486, Unknown=0, NotChecked=0, Total=2756 [2020-10-28 09:33:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-28 09:33:01,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 148. [2020-10-28 09:33:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-28 09:33:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 168 transitions. [2020-10-28 09:33:01,798 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 168 transitions. Word has length 164 [2020-10-28 09:33:01,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:33:01,799 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 168 transitions. [2020-10-28 09:33:01,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-28 09:33:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 168 transitions. [2020-10-28 09:33:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-28 09:33:01,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:33:01,800 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:33:01,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-28 09:33:01,800 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:33:01,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:33:01,801 INFO L82 PathProgramCache]: Analyzing trace with hash -2122476402, now seen corresponding path program 14 times [2020-10-28 09:33:01,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:33:01,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046137023] [2020-10-28 09:33:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:33:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:01,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2310 [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 09:33:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-28 09:33:04,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:33:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:33:04,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:33:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:04,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:33:04,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:33:04,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:04,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 09:33:04,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:33:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:33:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:33:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:04,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:33:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:04,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:33:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:33:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:33:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:33:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:04,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:33:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:04,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:04,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:04,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:04,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:04,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:33:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:04,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:04,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:04,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:04,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:04,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:05,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 09:33:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:05,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 09:33:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 09:33:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 09:33:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 09:33:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 09:33:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 09:33:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 09:33:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:05,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 09:33:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 09:33:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:05,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:05,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:05,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:05,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:05,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:05,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:05,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 154 proven. 151 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-28 09:33:05,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046137023] [2020-10-28 09:33:05,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:33:05,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-28 09:33:05,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109956396] [2020-10-28 09:33:05,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-28 09:33:05,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:33:05,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-28 09:33:05,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2020-10-28 09:33:05,112 INFO L87 Difference]: Start difference. First operand 148 states and 168 transitions. Second operand 22 states. [2020-10-28 09:33:06,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:33:06,679 INFO L93 Difference]: Finished difference Result 256 states and 285 transitions. [2020-10-28 09:33:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-28 09:33:06,680 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 172 [2020-10-28 09:33:06,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:33:06,683 INFO L225 Difference]: With dead ends: 256 [2020-10-28 09:33:06,683 INFO L226 Difference]: Without dead ends: 163 [2020-10-28 09:33:06,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=261, Invalid=999, Unknown=0, NotChecked=0, Total=1260 [2020-10-28 09:33:06,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-28 09:33:06,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2020-10-28 09:33:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-28 09:33:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 180 transitions. [2020-10-28 09:33:06,730 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 180 transitions. Word has length 172 [2020-10-28 09:33:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:33:06,731 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 180 transitions. [2020-10-28 09:33:06,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-28 09:33:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 180 transitions. [2020-10-28 09:33:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 09:33:06,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:33:06,732 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:33:06,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-28 09:33:06,733 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:33:06,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:33:06,733 INFO L82 PathProgramCache]: Analyzing trace with hash 799304281, now seen corresponding path program 15 times [2020-10-28 09:33:06,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:33:06,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129158651] [2020-10-28 09:33:06,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:33:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:06,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1487 [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-10-28 09:33:08,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:33:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:08,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:33:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:33:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:33:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:33:08,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:33:08,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:33:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:08,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:33:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:08,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:33:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:08,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:33:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:33:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:33:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:08,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:33:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:08,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:33:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:08,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:33:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:08,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:33:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 09:33:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:33:08,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:33:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:08,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 09:33:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 09:33:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 09:33:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 09:33:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:33:08,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 09:33:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 09:33:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:08,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 09:33:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 09:33:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 09:33:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:08,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:08,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:08,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 09:33:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:09,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 20 proven. 326 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2020-10-28 09:33:09,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129158651] [2020-10-28 09:33:09,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:33:09,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-28 09:33:09,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055877154] [2020-10-28 09:33:09,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-28 09:33:09,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:33:09,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-28 09:33:09,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2020-10-28 09:33:09,073 INFO L87 Difference]: Start difference. First operand 156 states and 180 transitions. Second operand 25 states. [2020-10-28 09:33:25,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:33:25,130 INFO L93 Difference]: Finished difference Result 1000 states and 1420 transitions. [2020-10-28 09:33:25,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2020-10-28 09:33:25,131 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 186 [2020-10-28 09:33:25,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:33:25,138 INFO L225 Difference]: With dead ends: 1000 [2020-10-28 09:33:25,138 INFO L226 Difference]: Without dead ends: 997 [2020-10-28 09:33:25,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13891 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=2570, Invalid=33720, Unknown=0, NotChecked=0, Total=36290 [2020-10-28 09:33:25,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2020-10-28 09:33:25,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 211. [2020-10-28 09:33:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-28 09:33:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 250 transitions. [2020-10-28 09:33:25,212 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 250 transitions. Word has length 186 [2020-10-28 09:33:25,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:33:25,213 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 250 transitions. [2020-10-28 09:33:25,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-28 09:33:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 250 transitions. [2020-10-28 09:33:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 09:33:25,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:33:25,215 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:33:25,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-28 09:33:25,215 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:33:25,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:33:25,216 INFO L82 PathProgramCache]: Analyzing trace with hash -257426921, now seen corresponding path program 5 times [2020-10-28 09:33:25,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:33:25,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737303054] [2020-10-28 09:33:25,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:33:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:25,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:26,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:26,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-28 09:33:26,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1392 [2020-10-28 09:33:26,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:26,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-28 09:33:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:33:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 226 [2020-10-28 09:33:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:33:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:33:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:33:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:33:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:33:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:33:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:33:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:33:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:33:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:33:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:33:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:33:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:33:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:33:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 09:33:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:27,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:33:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 09:33:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 09:33:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 09:33:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 09:33:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 09:33:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 09:33:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 09:33:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 09:33:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 09:33:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 09:33:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:27,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:27,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:27,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:27,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:27,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:27,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:27,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 20 proven. 326 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2020-10-28 09:33:27,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737303054] [2020-10-28 09:33:27,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:33:27,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-28 09:33:27,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779556043] [2020-10-28 09:33:27,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-28 09:33:27,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:33:27,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-28 09:33:27,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2020-10-28 09:33:27,450 INFO L87 Difference]: Start difference. First operand 211 states and 250 transitions. Second operand 26 states. [2020-10-28 09:33:32,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:33:32,395 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2020-10-28 09:33:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-28 09:33:32,396 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 186 [2020-10-28 09:33:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:33:32,399 INFO L225 Difference]: With dead ends: 325 [2020-10-28 09:33:32,399 INFO L226 Difference]: Without dead ends: 322 [2020-10-28 09:33:32,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=343, Invalid=3197, Unknown=0, NotChecked=0, Total=3540 [2020-10-28 09:33:32,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-10-28 09:33:32,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 164. [2020-10-28 09:33:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-28 09:33:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 188 transitions. [2020-10-28 09:33:32,448 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 188 transitions. Word has length 186 [2020-10-28 09:33:32,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:33:32,449 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 188 transitions. [2020-10-28 09:33:32,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-28 09:33:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2020-10-28 09:33:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-28 09:33:32,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:33:32,450 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:33:32,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-28 09:33:32,451 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:33:32,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:33:32,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1512211056, now seen corresponding path program 16 times [2020-10-28 09:33:32,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:33:32,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137244329] [2020-10-28 09:33:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:33:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:32,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:33,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:33,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-28 09:33:33,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:33,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1268 [2020-10-28 09:33:33,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:33,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-28 09:33:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:33:33,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 227 [2020-10-28 09:33:33,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:33:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:34,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:33:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:33:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:33:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:33:34,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:33:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:33:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:33:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:33:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:33:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:33:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:33:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:33:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:33:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:33:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 09:33:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:33:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:34,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 09:33:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 09:33:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 09:33:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 09:33:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 09:33:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 09:33:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 09:33:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 09:33:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 09:33:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 09:33:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 09:33:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:34,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:34,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:34,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:34,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:34,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 22 proven. 368 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2020-10-28 09:33:34,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137244329] [2020-10-28 09:33:34,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:33:34,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-28 09:33:34,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418558837] [2020-10-28 09:33:34,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-28 09:33:34,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:33:34,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-28 09:33:34,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-28 09:33:34,695 INFO L87 Difference]: Start difference. First operand 164 states and 188 transitions. Second operand 25 states. [2020-10-28 09:33:53,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:33:53,390 INFO L93 Difference]: Finished difference Result 1048 states and 1489 transitions. [2020-10-28 09:33:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2020-10-28 09:33:53,391 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 194 [2020-10-28 09:33:53,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:33:53,397 INFO L225 Difference]: With dead ends: 1048 [2020-10-28 09:33:53,397 INFO L226 Difference]: Without dead ends: 1045 [2020-10-28 09:33:53,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14736 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=2623, Invalid=35989, Unknown=0, NotChecked=0, Total=38612 [2020-10-28 09:33:53,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-10-28 09:33:53,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 223. [2020-10-28 09:33:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-28 09:33:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 263 transitions. [2020-10-28 09:33:53,471 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 263 transitions. Word has length 194 [2020-10-28 09:33:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:33:53,472 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 263 transitions. [2020-10-28 09:33:53,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-28 09:33:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 263 transitions. [2020-10-28 09:33:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-28 09:33:53,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:33:53,474 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:33:53,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-28 09:33:53,474 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:33:53,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:33:53,475 INFO L82 PathProgramCache]: Analyzing trace with hash 876352974, now seen corresponding path program 5 times [2020-10-28 09:33:53,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:33:53,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595937556] [2020-10-28 09:33:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:33:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:53,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:54,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:54,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-28 09:33:54,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:54,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1263 [2020-10-28 09:33:54,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:54,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:54,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-28 09:33:54,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:33:54,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 236 [2020-10-28 09:33:54,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:33:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:56,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:33:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:33:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:33:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:33:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:33:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:33:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:33:56,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:33:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:33:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:33:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:33:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:33:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:56,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:33:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:56,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:33:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 09:33:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:33:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:33:56,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:56,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:33:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 09:33:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 09:33:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 09:33:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 09:33:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 09:33:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 09:33:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:33:56,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 09:33:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 09:33:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 09:33:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 09:33:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 09:33:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:33:56,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:33:56,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:33:56,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:33:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:33:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 22 proven. 368 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2020-10-28 09:33:56,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595937556] [2020-10-28 09:33:56,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:33:56,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-28 09:33:56,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239821038] [2020-10-28 09:33:56,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-28 09:33:56,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:33:56,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-28 09:33:56,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2020-10-28 09:33:56,480 INFO L87 Difference]: Start difference. First operand 223 states and 263 transitions. Second operand 26 states. [2020-10-28 09:34:02,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:34:02,289 INFO L93 Difference]: Finished difference Result 334 states and 428 transitions. [2020-10-28 09:34:02,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-28 09:34:02,290 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 194 [2020-10-28 09:34:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:34:02,293 INFO L225 Difference]: With dead ends: 334 [2020-10-28 09:34:02,293 INFO L226 Difference]: Without dead ends: 331 [2020-10-28 09:34:02,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=334, Invalid=3326, Unknown=0, NotChecked=0, Total=3660 [2020-10-28 09:34:02,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-10-28 09:34:02,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 172. [2020-10-28 09:34:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-28 09:34:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 196 transitions. [2020-10-28 09:34:02,335 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 196 transitions. Word has length 194 [2020-10-28 09:34:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:34:02,336 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 196 transitions. [2020-10-28 09:34:02,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-28 09:34:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 196 transitions. [2020-10-28 09:34:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-28 09:34:02,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:34:02,338 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:34:02,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-28 09:34:02,338 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:34:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:34:02,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1039701561, now seen corresponding path program 17 times [2020-10-28 09:34:02,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:34:02,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084415376] [2020-10-28 09:34:02,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:34:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:02,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:02,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:04,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:04,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-28 09:34:04,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:34:04,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2342 [2020-10-28 09:34:04,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:04,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-28 09:34:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 09:34:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-28 09:34:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:34:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:34:06,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:34:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:34:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:34:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:34:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:34:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:34:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:34:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:34:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:34:06,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:34:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:34:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:34:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:34:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:34:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 09:34:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:34:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:06,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 09:34:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:34:06,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 09:34:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 09:34:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 09:34:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 09:34:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 09:34:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 09:34:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 09:34:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 09:34:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 09:34:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 09:34:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-28 09:34:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:06,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:06,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:06,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:06,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 267 proven. 171 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2020-10-28 09:34:06,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084415376] [2020-10-28 09:34:06,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:34:06,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-28 09:34:06,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609115038] [2020-10-28 09:34:06,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-28 09:34:06,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:34:06,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-28 09:34:06,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=465, Unknown=0, NotChecked=0, Total=600 [2020-10-28 09:34:06,289 INFO L87 Difference]: Start difference. First operand 172 states and 196 transitions. Second operand 25 states. [2020-10-28 09:34:09,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:34:09,679 INFO L93 Difference]: Finished difference Result 296 states and 329 transitions. [2020-10-28 09:34:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-28 09:34:09,681 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 202 [2020-10-28 09:34:09,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:34:09,683 INFO L225 Difference]: With dead ends: 296 [2020-10-28 09:34:09,683 INFO L226 Difference]: Without dead ends: 187 [2020-10-28 09:34:09,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=464, Invalid=1888, Unknown=0, NotChecked=0, Total=2352 [2020-10-28 09:34:09,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-28 09:34:09,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 180. [2020-10-28 09:34:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-28 09:34:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 208 transitions. [2020-10-28 09:34:09,718 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 208 transitions. Word has length 202 [2020-10-28 09:34:09,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:34:09,718 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 208 transitions. [2020-10-28 09:34:09,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-28 09:34:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 208 transitions. [2020-10-28 09:34:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-28 09:34:09,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:34:09,720 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:34:09,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-28 09:34:09,721 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:34:09,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:34:09,721 INFO L82 PathProgramCache]: Analyzing trace with hash -320714158, now seen corresponding path program 18 times [2020-10-28 09:34:09,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:34:09,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979199499] [2020-10-28 09:34:09,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:34:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:09,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:11,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2183 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 255 [2020-10-28 09:34:11,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:34:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:34:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:34:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:34:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:34:12,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:34:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:34:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:34:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:34:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:34:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:34:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:34:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:34:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:34:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:34:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 09:34:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:34:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 09:34:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 09:34:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:12,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 09:34:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 09:34:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 09:34:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 09:34:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 09:34:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 09:34:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-28 09:34:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 09:34:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 09:34:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:12,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 09:34:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-28 09:34:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:12,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-28 09:34:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:12,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 24 proven. 463 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2020-10-28 09:34:13,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979199499] [2020-10-28 09:34:13,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:34:13,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-28 09:34:13,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971837884] [2020-10-28 09:34:13,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-28 09:34:13,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:34:13,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-28 09:34:13,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=700, Unknown=0, NotChecked=0, Total=756 [2020-10-28 09:34:13,071 INFO L87 Difference]: Start difference. First operand 180 states and 208 transitions. Second operand 28 states. [2020-10-28 09:34:52,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:34:52,438 INFO L93 Difference]: Finished difference Result 1868 states and 2702 transitions. [2020-10-28 09:34:52,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2020-10-28 09:34:52,439 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 216 [2020-10-28 09:34:52,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:34:52,450 INFO L225 Difference]: With dead ends: 1868 [2020-10-28 09:34:52,450 INFO L226 Difference]: Without dead ends: 1865 [2020-10-28 09:34:52,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58084 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=7511, Invalid=126079, Unknown=0, NotChecked=0, Total=133590 [2020-10-28 09:34:52,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2020-10-28 09:34:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 243. [2020-10-28 09:34:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-10-28 09:34:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 288 transitions. [2020-10-28 09:34:52,573 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 288 transitions. Word has length 216 [2020-10-28 09:34:52,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:34:52,573 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 288 transitions. [2020-10-28 09:34:52,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-28 09:34:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 288 transitions. [2020-10-28 09:34:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-28 09:34:52,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:34:52,576 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:34:52,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-28 09:34:52,576 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:34:52,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:34:52,577 INFO L82 PathProgramCache]: Analyzing trace with hash 150642192, now seen corresponding path program 6 times [2020-10-28 09:34:52,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:34:52,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212649119] [2020-10-28 09:34:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:34:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:52,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:54,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:54,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1985 [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-28 09:34:54,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:34:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:34:56,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:34:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:34:56,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 09:34:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:34:56,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 09:34:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 09:34:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 09:34:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 09:34:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 09:34:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 09:34:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 09:34:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 09:34:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 09:34:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 09:34:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 09:34:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 09:34:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 09:34:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 09:34:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 09:34:56,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 09:34:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 09:34:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 09:34:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 09:34:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 09:34:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 09:34:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-28 09:34:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 09:34:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 09:34:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 09:34:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-28 09:34:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-28 09:34:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:34:56,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:34:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:34:56,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 09:34:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:34:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 24 proven. 463 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2020-10-28 09:34:56,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212649119] [2020-10-28 09:34:56,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:34:56,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-28 09:34:56,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17503823] [2020-10-28 09:34:56,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-28 09:34:56,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:34:56,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-28 09:34:56,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2020-10-28 09:34:56,579 INFO L87 Difference]: Start difference. First operand 243 states and 288 transitions. Second operand 29 states.