/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:06:08,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:06:08,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:06:08,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:06:08,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:06:08,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:06:08,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:06:08,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:06:08,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:06:08,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:06:08,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:06:08,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:06:08,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:06:08,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:06:08,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:06:08,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:06:08,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:06:08,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:06:08,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:06:08,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:06:08,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:06:08,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:06:08,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:06:08,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:06:08,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:06:08,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:06:08,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:06:08,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:06:08,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:06:08,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:06:08,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:06:08,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:06:08,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:06:08,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:06:08,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:06:08,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:06:08,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:06:08,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:06:08,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:06:08,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:06:08,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:06:08,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 06:06:08,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:06:08,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:06:08,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:06:08,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:06:08,338 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:06:08,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:06:08,339 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:06:08,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:06:08,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:06:08,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:06:08,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:06:08,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:06:08,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:06:08,341 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:06:08,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:06:08,341 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:06:08,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:06:08,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:06:08,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:06:08,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:06:08,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:06:08,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:06:08,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:06:08,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:06:08,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:06:08,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:06:08,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:06:08,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:06:08,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:06:08,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:06:08,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:06:08,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:06:08,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:06:08,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:06:08,683 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:06:08,684 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2020-10-14 06:06:08,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883eb7a90/f3128d34b3384d7db2042add7d60354a/FLAGdc9a53277 [2020-10-14 06:06:09,382 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:06:09,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product32.cil.c [2020-10-14 06:06:09,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883eb7a90/f3128d34b3384d7db2042add7d60354a/FLAGdc9a53277 [2020-10-14 06:06:09,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883eb7a90/f3128d34b3384d7db2042add7d60354a [2020-10-14 06:06:09,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:06:09,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:06:09,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:06:09,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:06:09,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:06:09,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:06:09" (1/1) ... [2020-10-14 06:06:09,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:09, skipping insertion in model container [2020-10-14 06:06:09,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:06:09" (1/1) ... [2020-10-14 06:06:09,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:06:09,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:06:10,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:06:10,459 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:06:10,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:06:10,722 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:06:10,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10 WrapperNode [2020-10-14 06:06:10,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:06:10,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:06:10,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:06:10,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:06:10,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... [2020-10-14 06:06:10,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... [2020-10-14 06:06:10,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... [2020-10-14 06:06:10,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... [2020-10-14 06:06:10,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... [2020-10-14 06:06:10,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... [2020-10-14 06:06:10,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... [2020-10-14 06:06:10,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:06:10,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:06:10,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:06:10,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:06:10,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:06:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:06:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:06:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:06:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 06:06:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 06:06:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:06:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:06:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:06:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:06:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:06:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:06:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:06:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:06:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:06:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:06:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:06:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:06:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:06:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 06:06:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 06:06:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 06:06:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 06:06:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 06:06:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 06:06:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 06:06:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 06:06:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 06:06:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 06:06:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 06:06:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:06:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 06:06:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 06:06:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 06:06:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 06:06:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 06:06:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 06:06:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 06:06:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 06:06:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:06:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 06:06:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 06:06:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 06:06:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:06:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 06:06:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:06:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:06:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:06:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 06:06:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 06:06:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 06:06:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 06:06:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 06:06:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 06:06:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-14 06:06:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 06:06:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 06:06:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 06:06:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 06:06:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 06:06:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 06:06:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 06:06:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 06:06:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 06:06:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 06:06:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 06:06:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 06:06:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 06:06:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 06:06:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 06:06:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 06:06:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 06:06:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 06:06:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 06:06:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 06:06:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-14 06:06:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:06:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-14 06:06:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 06:06:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 06:06:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 06:06:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 06:06:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:06:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:06:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 06:06:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 06:06:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:06:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 06:06:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 06:06:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 06:06:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 06:06:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 06:06:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 06:06:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:06:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:06:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:06:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:06:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:06:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:06:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:06:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:06:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:06:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:06:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:06:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:06:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:06:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:06:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:06:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 06:06:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 06:06:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 06:06:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-14 06:06:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-14 06:06:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 06:06:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 06:06:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 06:06:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 06:06:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 06:06:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 06:06:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 06:06:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 06:06:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 06:06:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 06:06:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 06:06:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:06:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:06:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 06:06:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 06:06:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 06:06:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 06:06:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 06:06:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 06:06:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 06:06:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 06:06:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 06:06:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 06:06:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 06:06:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:06:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 06:06:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:06:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:06:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:06:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:06:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 06:06:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 06:06:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 06:06:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 06:06:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 06:06:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 06:06:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 06:06:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 06:06:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 06:06:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 06:06:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 06:06:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 06:06:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 06:06:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 06:06:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 06:06:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-14 06:06:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-14 06:06:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 06:06:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:06:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:06:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:06:13,552 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:06:13,553 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 06:06:13,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:06:13 BoogieIcfgContainer [2020-10-14 06:06:13,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:06:13,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:06:13,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:06:13,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:06:13,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:06:09" (1/3) ... [2020-10-14 06:06:13,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f154559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:06:13, skipping insertion in model container [2020-10-14 06:06:13,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:06:10" (2/3) ... [2020-10-14 06:06:13,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f154559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:06:13, skipping insertion in model container [2020-10-14 06:06:13,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:06:13" (3/3) ... [2020-10-14 06:06:13,577 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product32.cil.c [2020-10-14 06:06:13,589 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:06:13,601 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:06:13,616 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:06:13,653 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:06:13,653 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:06:13,653 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:06:13,653 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:06:13,653 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:06:13,654 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:06:13,654 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:06:13,654 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:06:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states. [2020-10-14 06:06:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 06:06:13,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:06:13,736 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:06:13,737 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:06:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:06:13,745 INFO L82 PathProgramCache]: Analyzing trace with hash 250994397, now seen corresponding path program 1 times [2020-10-14 06:06:13,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:06:13,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516573279] [2020-10-14 06:06:13,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:06:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:14,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:14,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:16,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:17,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:19,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:19,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 06:06:19,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:19,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-10-14 06:06:19,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:19,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:06:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:06:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:06:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:06:20,378 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:20,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:06:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:20,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 06:06:20,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:20,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:20,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:20,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:20,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:06:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:20,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:20,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:20,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:06:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:20,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:20,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:06:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:20,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:20,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:20,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:20,662 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:06:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:06:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:20,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 06:06:20,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:20,849 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 06:06:20,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:20,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:20,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:20,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:06:20,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:20,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:20,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:20,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:06:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:20,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:20,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 06:06:21,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:21,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-10-14 06:06:21,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:06:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:06:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:06:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:21,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:21,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:21,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:06:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:21,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:06:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:06:21,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:06:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:06:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:06:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:06:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:21,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:06:21,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:06:21,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:21,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 06:06:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:06:21,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:06:21,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:06:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 06:06:21,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:21,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:06:21,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 06:06:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:21,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:21,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:06:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 06:06:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:21,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:21,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:21,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 06:06:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:21,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:21,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:21,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:06:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:21,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:21,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:21,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:06:21,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516573279] [2020-10-14 06:06:21,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:06:21,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:06:21,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597354189] [2020-10-14 06:06:21,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:06:21,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:06:21,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:06:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:06:21,808 INFO L87 Difference]: Start difference. First operand 856 states. Second operand 12 states. [2020-10-14 06:06:24,167 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:06:24,941 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:06:25,682 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 06:06:26,540 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:06:27,268 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:06:29,916 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:06:45,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:06:45,533 INFO L93 Difference]: Finished difference Result 1720 states and 2936 transitions. [2020-10-14 06:06:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:06:45,536 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-10-14 06:06:45,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:06:45,568 INFO L225 Difference]: With dead ends: 1720 [2020-10-14 06:06:45,569 INFO L226 Difference]: Without dead ends: 1031 [2020-10-14 06:06:45,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:06:45,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2020-10-14 06:06:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 695. [2020-10-14 06:06:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-14 06:06:45,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 1093 transitions. [2020-10-14 06:06:45,882 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 1093 transitions. Word has length 93 [2020-10-14 06:06:45,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:06:45,882 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 1093 transitions. [2020-10-14 06:06:45,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:06:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1093 transitions. [2020-10-14 06:06:45,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:06:45,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:06:45,888 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:06:45,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:06:45,889 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:06:45,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:06:45,889 INFO L82 PathProgramCache]: Analyzing trace with hash -435355313, now seen corresponding path program 1 times [2020-10-14 06:06:45,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:06:45,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206035920] [2020-10-14 06:06:45,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:06:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:46,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:47,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:50,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:50,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:06:50,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:50,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 06:06:51,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:51,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 06:06:51,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:06:51,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:51,746 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:06:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:06:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:51,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:51,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:51,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:51,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:51,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 06:06:51,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:51,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:51,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:51,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:51,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:51,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:51,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:51,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:51,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:51,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:51,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:51,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:06:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:51,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:51,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:51,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:51,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:51,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:51,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:51,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:51,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:51,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:06:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:51,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:51,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:51,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:51,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:51,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:51,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:51,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:51,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:51,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:51,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:06:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:51,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:51,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:51,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:06:51,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:51,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:06:51,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:51,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:51,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:51,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:51,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:51,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:51,993 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:06:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:06:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:06:52,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 06:06:52,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:52,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:52,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:52,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:52,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:06:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:06:52,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:06:52,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-14 06:06:52,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:52,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:06:52,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:06:52,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:06:52,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:06:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:06:52,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:06:52,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:06:52,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:06:52,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 06:06:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:06:52,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:06:52,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:06:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:06:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:06:52,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:52,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:52,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:06:52,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:06:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:06:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:06:52,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:06:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:06:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:52,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:06:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:52,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:52,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:06:52,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:06:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:06:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:06:52,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:06:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:06:52,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:06:52,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:06:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:06:52,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:06:52,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:06:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:06:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:06:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:06:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:06:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:06:52,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206035920] [2020-10-14 06:06:52,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:06:52,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:06:52,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903074752] [2020-10-14 06:06:52,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:06:52,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:06:52,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:06:52,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:06:52,704 INFO L87 Difference]: Start difference. First operand 695 states and 1093 transitions. Second operand 9 states. [2020-10-14 06:06:54,340 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:06:55,074 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:06:57,141 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:07:11,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:11,496 INFO L93 Difference]: Finished difference Result 1690 states and 2853 transitions. [2020-10-14 06:07:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:07:11,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-14 06:07:11,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:11,508 INFO L225 Difference]: With dead ends: 1690 [2020-10-14 06:07:11,508 INFO L226 Difference]: Without dead ends: 1025 [2020-10-14 06:07:11,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-14 06:07:11,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2020-10-14 06:07:11,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 695. [2020-10-14 06:07:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-14 06:07:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 1092 transitions. [2020-10-14 06:07:11,681 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 1092 transitions. Word has length 94 [2020-10-14 06:07:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:11,682 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 1092 transitions. [2020-10-14 06:07:11,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:07:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1092 transitions. [2020-10-14 06:07:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 06:07:11,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:11,684 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:07:11,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:07:11,685 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:11,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:11,685 INFO L82 PathProgramCache]: Analyzing trace with hash 630098329, now seen corresponding path program 1 times [2020-10-14 06:07:11,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:11,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118720314] [2020-10-14 06:07:11,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:11,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:12,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:13,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:16,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:16,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 06:07:16,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:07:16,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 06:07:16,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:16,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 06:07:16,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:07:16,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:17,648 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:17,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:17,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:17,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:17,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:17,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 06:07:17,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:17,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:17,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:17,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:17,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:17,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:17,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:17,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:17,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:17,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:17,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:17,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:07:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:17,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:17,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:17,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:17,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:17,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:17,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:17,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:17,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:17,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:17,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:17,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:07:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:17,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:17,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:17,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:17,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:17,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:17,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:17,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:17,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:07:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:17,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:17,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:17,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:17,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:17,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:17,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:17,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:17,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:17,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:17,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:17,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:17,865 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:07:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:17,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:07:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:17,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:17,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:17,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:17,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:17,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:07:17,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:17,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:17,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:07:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:07:18,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:07:18,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-10-14 06:07:18,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:18,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:07:18,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:07:18,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:07:18,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:07:18,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:07:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:18,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:18,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:07:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 06:07:18,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:18,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 06:07:18,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 06:07:18,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:18,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 06:07:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:18,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:18,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:18,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:18,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:18,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:18,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 06:07:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:18,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:18,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:07:18,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:18,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:18,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:18,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:18,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:18,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:18,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:18,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:18,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:18,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:18,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 06:07:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:18,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:18,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:07:18,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:18,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:18,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:18,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:07:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:18,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:18,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:18,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:18,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:18,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:18,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:18,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:18,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:18,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:07:18,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118720314] [2020-10-14 06:07:18,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:18,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 06:07:18,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379468344] [2020-10-14 06:07:18,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 06:07:18,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:18,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 06:07:18,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 06:07:18,636 INFO L87 Difference]: Start difference. First operand 695 states and 1092 transitions. Second operand 9 states. [2020-10-14 06:07:20,825 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-14 06:07:21,598 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 06:07:23,838 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:07:38,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:07:38,476 INFO L93 Difference]: Finished difference Result 1686 states and 2841 transitions. [2020-10-14 06:07:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:07:38,477 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2020-10-14 06:07:38,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:07:38,487 INFO L225 Difference]: With dead ends: 1686 [2020-10-14 06:07:38,487 INFO L226 Difference]: Without dead ends: 1002 [2020-10-14 06:07:38,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-14 06:07:38,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-10-14 06:07:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 677. [2020-10-14 06:07:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-10-14 06:07:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1060 transitions. [2020-10-14 06:07:38,640 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1060 transitions. Word has length 95 [2020-10-14 06:07:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:07:38,641 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 1060 transitions. [2020-10-14 06:07:38,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 06:07:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1060 transitions. [2020-10-14 06:07:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-14 06:07:38,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:07:38,643 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:07:38,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:07:38,643 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:07:38,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:07:38,644 INFO L82 PathProgramCache]: Analyzing trace with hash 846583857, now seen corresponding path program 1 times [2020-10-14 06:07:38,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:07:38,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453121268] [2020-10-14 06:07:38,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:07:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:38,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:38,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:41,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:43,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 06:07:43,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:43,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,502 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:07:44,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:07:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 06:07:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:44,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:44,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:07:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:44,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:44,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:07:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:44,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:07:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:07:44,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:44,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,726 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:07:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:07:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:07:44,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:07:44,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,883 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 06:07:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:44,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:44,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:07:44,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:44,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:44,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:07:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:44,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 06:07:45,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:07:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 06:07:45,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 06:07:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:45,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:45,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:07:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 06:07:45,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:07:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 06:07:45,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:07:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:07:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:07:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:07:45,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:07:45,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:07:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:07:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 06:07:45,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 06:07:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:07:45,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:07:45,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:07:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:07:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:45,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:45,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:07:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:45,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:45,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:07:45,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 06:07:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:45,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:07:45,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:45,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:07:45,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:07:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:07:45,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:07:45,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:07:45,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:07:45,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:07:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:07:45,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:07:45,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:07:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:07:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:07:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:07:45,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:07:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:07:45,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453121268] [2020-10-14 06:07:45,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:07:45,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:07:45,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976643688] [2020-10-14 06:07:45,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:07:45,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:07:45,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:07:45,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:07:45,372 INFO L87 Difference]: Start difference. First operand 677 states and 1060 transitions. Second operand 10 states. [2020-10-14 06:07:47,105 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-14 06:07:47,934 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:07:49,784 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:08:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:08:04,808 INFO L93 Difference]: Finished difference Result 1649 states and 2779 transitions. [2020-10-14 06:08:04,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:08:04,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-14 06:08:04,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:08:04,818 INFO L225 Difference]: With dead ends: 1649 [2020-10-14 06:08:04,818 INFO L226 Difference]: Without dead ends: 1002 [2020-10-14 06:08:04,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:08:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-10-14 06:08:04,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 677. [2020-10-14 06:08:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-10-14 06:08:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1059 transitions. [2020-10-14 06:08:04,979 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1059 transitions. Word has length 94 [2020-10-14 06:08:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:08:04,979 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 1059 transitions. [2020-10-14 06:08:04,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:08:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1059 transitions. [2020-10-14 06:08:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-14 06:08:04,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:04,981 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:08:04,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:08:04,981 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:04,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:04,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2114945285, now seen corresponding path program 1 times [2020-10-14 06:08:04,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:04,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898907812] [2020-10-14 06:08:04,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:05,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:05,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:05,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:06,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:08:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:10,772 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:08:10,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:10,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:10,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:08:10,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:10,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:10,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:10,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:08:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:10,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:10,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:10,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:10,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:10,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:08:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:10,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:08:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:10,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:10,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:10,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:10,968 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:08:10,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:08:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:10,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:10,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:10,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:08:10,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:08:10,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:10,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:10,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:11,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:11,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:08:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-14 06:08:11,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 06:08:11,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:08:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:08:11,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 06:08:11,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:11,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:11,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:08:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:08:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:08:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 06:08:11,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:11,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 06:08:11,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:08:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:08:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 06:08:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:08:11,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:11,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:08:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:08:11,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 06:08:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:08:11,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:08:11,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:08:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:11,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:11,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:11,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:11,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 06:08:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:11,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:11,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:08:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:11,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:11,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:11,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:11,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:11,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:11,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:08:11,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898907812] [2020-10-14 06:08:11,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:08:11,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:08:11,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820442409] [2020-10-14 06:08:11,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:08:11,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:08:11,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:08:11,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:08:11,449 INFO L87 Difference]: Start difference. First operand 677 states and 1059 transitions. Second operand 12 states. [2020-10-14 06:08:13,532 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:08:14,262 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:08:14,968 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:08:15,679 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:08:16,446 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:08:18,811 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:08:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:08:37,712 INFO L93 Difference]: Finished difference Result 1655 states and 2785 transitions. [2020-10-14 06:08:37,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:08:37,713 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-14 06:08:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:08:37,721 INFO L225 Difference]: With dead ends: 1655 [2020-10-14 06:08:37,721 INFO L226 Difference]: Without dead ends: 996 [2020-10-14 06:08:37,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:08:37,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-10-14 06:08:37,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 671. [2020-10-14 06:08:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-10-14 06:08:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1046 transitions. [2020-10-14 06:08:37,892 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1046 transitions. Word has length 95 [2020-10-14 06:08:37,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:08:37,892 INFO L479 AbstractCegarLoop]: Abstraction has 671 states and 1046 transitions. [2020-10-14 06:08:37,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:08:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1046 transitions. [2020-10-14 06:08:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-14 06:08:37,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:08:37,894 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:08:37,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:08:37,894 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:08:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:08:37,894 INFO L82 PathProgramCache]: Analyzing trace with hash 936192171, now seen corresponding path program 1 times [2020-10-14 06:08:37,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:08:37,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091436596] [2020-10-14 06:08:37,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:08:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:37,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:38,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:38,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:39,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:40,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:42,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:42,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 06:08:42,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:08:42,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 06:08:42,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:42,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:42,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:42,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 06:08:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:08:42,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:43,694 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:08:43,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:08:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:43,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:43,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:43,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:43,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:43,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:43,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:43,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:43,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:08:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:43,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:43,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:43,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:43,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:43,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:43,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:43,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:08:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:43,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:43,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:43,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:43,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:43,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:08:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:43,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:43,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:43,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:43,900 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:08:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:08:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:43,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:43,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:43,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:08:43,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:43,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:08:43,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:43,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:44,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:08:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 06:08:44,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:08:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-14 06:08:44,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 06:08:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:08:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:08:44,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:44,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:44,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:44,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:08:44,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:08:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 06:08:44,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:08:44,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 06:08:44,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:44,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:08:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:08:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:08:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:08:44,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:08:44,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:08:44,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:08:44,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:08:44,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 06:08:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:08:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:44,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:44,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:44,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:08:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:44,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:44,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:08:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 06:08:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:44,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:44,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:08:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:08:44,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:08:44,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:08:44,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:08:44,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:08:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:08:44,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091436596] [2020-10-14 06:08:44,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:08:44,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:08:44,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881993417] [2020-10-14 06:08:44,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:08:44,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:08:44,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:08:44,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:08:44,381 INFO L87 Difference]: Start difference. First operand 671 states and 1046 transitions. Second operand 10 states. [2020-10-14 06:08:46,254 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 06:08:47,131 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 06:08:49,170 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:09:06,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:09:06,065 INFO L93 Difference]: Finished difference Result 1637 states and 2751 transitions. [2020-10-14 06:09:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 06:09:06,066 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-10-14 06:09:06,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:09:06,074 INFO L225 Difference]: With dead ends: 1637 [2020-10-14 06:09:06,074 INFO L226 Difference]: Without dead ends: 996 [2020-10-14 06:09:06,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 06:09:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-10-14 06:09:06,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 671. [2020-10-14 06:09:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-10-14 06:09:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1045 transitions. [2020-10-14 06:09:06,275 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1045 transitions. Word has length 96 [2020-10-14 06:09:06,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:09:06,275 INFO L479 AbstractCegarLoop]: Abstraction has 671 states and 1045 transitions. [2020-10-14 06:09:06,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:09:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1045 transitions. [2020-10-14 06:09:06,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-14 06:09:06,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:09:06,277 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, 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, 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] [2020-10-14 06:09:06,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:09:06,278 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:09:06,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:09:06,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1215850268, now seen corresponding path program 1 times [2020-10-14 06:09:06,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:09:06,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362957431] [2020-10-14 06:09:06,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:09:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:06,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:07,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:11,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-14 06:09:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:09:11,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,081 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:09:12,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:09:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:12,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:09:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:09:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:12,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:09:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,283 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:09:12,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:09:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:09:12,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:09:12,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:12,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:12,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:09:12,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:09:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 06:09:12,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-14 06:09:12,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 06:09:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:09:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 06:09:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:12,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:09:12,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:09:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:09:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:09:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 06:09:12,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:12,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 06:09:12,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:09:12,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 06:09:12,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 06:09:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:09:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:09:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:09:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 06:09:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:09:12,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:12,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:09:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:12,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:12,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 06:09:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:12,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 06:09:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:12,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:12,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:12,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:12,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:12,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:12,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:12,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:09:12,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362957431] [2020-10-14 06:09:12,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:09:12,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 06:09:12,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354736427] [2020-10-14 06:09:12,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:09:12,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:09:12,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:09:12,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:09:12,782 INFO L87 Difference]: Start difference. First operand 671 states and 1045 transitions. Second operand 12 states. [2020-10-14 06:09:14,894 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:09:15,632 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:09:16,356 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:09:17,082 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-14 06:09:17,852 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-14 06:09:20,340 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-14 06:09:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:09:40,208 INFO L93 Difference]: Finished difference Result 1643 states and 2757 transitions. [2020-10-14 06:09:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:09:40,209 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-10-14 06:09:40,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:09:40,215 INFO L225 Difference]: With dead ends: 1643 [2020-10-14 06:09:40,216 INFO L226 Difference]: Without dead ends: 990 [2020-10-14 06:09:40,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2020-10-14 06:09:40,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-10-14 06:09:40,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 665. [2020-10-14 06:09:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2020-10-14 06:09:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 1032 transitions. [2020-10-14 06:09:40,408 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 1032 transitions. Word has length 97 [2020-10-14 06:09:40,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:09:40,408 INFO L479 AbstractCegarLoop]: Abstraction has 665 states and 1032 transitions. [2020-10-14 06:09:40,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:09:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1032 transitions. [2020-10-14 06:09:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 06:09:40,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:09:40,411 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, 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, 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] [2020-10-14 06:09:40,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:09:40,411 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:09:40,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:09:40,412 INFO L82 PathProgramCache]: Analyzing trace with hash -703440144, now seen corresponding path program 1 times [2020-10-14 06:09:40,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:09:40,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238104284] [2020-10-14 06:09:40,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:09:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:40,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:40,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:41,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:42,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:42,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 06:09:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:09:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,203 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-14 06:09:46,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:09:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:09:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:46,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:09:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:46,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:09:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:09:46,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,404 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-14 06:09:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 06:09:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:09:46,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:09:46,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:46,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:46,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:09:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 06:09:46,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:09:46,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-14 06:09:46,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 06:09:46,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:09:46,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:09:46,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 06:09:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:09:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 06:09:46,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:09:46,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:09:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 06:09:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:09:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 06:09:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:09:46,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:09:46,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 06:09:46,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:09:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:09:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:46,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:09:46,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 06:09:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:46,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 06:09:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:09:46,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:09:46,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:09:46,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:09:46,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:09:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:09:46,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:09:46,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:09:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:09:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:09:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:09:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:09:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 06:09:46,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238104284] [2020-10-14 06:09:46,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:09:46,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:09:46,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009090977] [2020-10-14 06:09:46,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:09:46,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:09:46,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:09:46,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:09:46,902 INFO L87 Difference]: Start difference. First operand 665 states and 1032 transitions. Second operand 10 states. [2020-10-14 06:09:48,676 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-14 06:09:49,514 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-14 06:09:51,461 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148