/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-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 17:21:06,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 17:21:06,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 17:21:06,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 17:21:06,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 17:21:06,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 17:21:06,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 17:21:06,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 17:21:06,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 17:21:06,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 17:21:06,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 17:21:06,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 17:21:06,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 17:21:06,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 17:21:06,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 17:21:06,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 17:21:06,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 17:21:06,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 17:21:06,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 17:21:06,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 17:21:06,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 17:21:06,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 17:21:06,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 17:21:06,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 17:21:06,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 17:21:06,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 17:21:06,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 17:21:06,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 17:21:06,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 17:21:06,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 17:21:06,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 17:21:06,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 17:21:06,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 17:21:06,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 17:21:06,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 17:21:06,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 17:21:06,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 17:21:06,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 17:21:06,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 17:21:06,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 17:21:06,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 17:21:06,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 17:21:06,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 17:21:06,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 17:21:06,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 17:21:06,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 17:21:06,485 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 17:21:06,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 17:21:06,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 17:21:06,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 17:21:06,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 17:21:06,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 17:21:06,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 17:21:06,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 17:21:06,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 17:21:06,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 17:21:06,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 17:21:06,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 17:21:06,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 17:21:06,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 17:21:06,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 17:21:06,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 17:21:06,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 17:21:06,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 17:21:06,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 17:21:06,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 17:21:06,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 17:21:06,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 17:21:06,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 17:21:06,493 INFO L138 SettingsManager]: * To the following directory=dump/ 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 17:21:06,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 17:21:06,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 17:21:06,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 17:21:06,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 17:21:06,848 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 17:21:06,850 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-14 17:21:06,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b7f4b78a/0b5af3956dc44a1188cb324a34565663/FLAGae850cd05 [2020-10-14 17:21:07,612 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 17:21:07,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-14 17:21:07,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b7f4b78a/0b5af3956dc44a1188cb324a34565663/FLAGae850cd05 [2020-10-14 17:21:07,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b7f4b78a/0b5af3956dc44a1188cb324a34565663 [2020-10-14 17:21:07,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 17:21:07,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 17:21:07,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 17:21:07,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 17:21:07,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 17:21:07,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:21:07" (1/1) ... [2020-10-14 17:21:07,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c974b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:07, skipping insertion in model container [2020-10-14 17:21:07,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:21:07" (1/1) ... [2020-10-14 17:21:07,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 17:21:07,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 17:21:08,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:21:09,041 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 17:21:09,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 17:21:09,457 INFO L208 MainTranslator]: Completed translation [2020-10-14 17:21:09,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09 WrapperNode [2020-10-14 17:21:09,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 17:21:09,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 17:21:09,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 17:21:09,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 17:21:09,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (1/1) ... [2020-10-14 17:21:09,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (1/1) ... [2020-10-14 17:21:09,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (1/1) ... [2020-10-14 17:21:09,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (1/1) ... [2020-10-14 17:21:09,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (1/1) ... [2020-10-14 17:21:09,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (1/1) ... [2020-10-14 17:21:09,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (1/1) ... [2020-10-14 17:21:09,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 17:21:09,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 17:21:09,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 17:21:09,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 17:21:09,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (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 17:21:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 17:21:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 17:21:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 17:21:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 17:21:09,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 17:21:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 17:21:09,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 17:21:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 17:21:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 17:21:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-14 17:21:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 17:21:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 17:21:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 17:21:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 17:21:09,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 17:21:09,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_1 [2020-10-14 17:21:09,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-14 17:21:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-14 17:21:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-14 17:21:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-14 17:21:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-14 17:21:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-14 17:21:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2020-10-14 17:21:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2020-10-14 17:21:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2020-10-14 17:21:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_release [2020-10-14 17:21:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2020-10-14 17:21:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2020-10-14 17:21:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-14 17:21:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-14 17:21:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 17:21:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 17:21:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2020-10-14 17:21:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_3 [2020-10-14 17:21:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_4 [2020-10-14 17:21:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_5 [2020-10-14 17:21:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_6 [2020-10-14 17:21:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_7 [2020-10-14 17:21:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_8 [2020-10-14 17:21:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_9 [2020-10-14 17:21:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_10 [2020-10-14 17:21:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_11 [2020-10-14 17:21:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_12 [2020-10-14 17:21:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-14 17:21:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc [2020-10-14 17:21:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2020-10-14 17:21:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 17:21:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 17:21:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 17:21:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 17:21:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2020-10-14 17:21:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 17:21:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 17:21:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2020-10-14 17:21:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 17:21:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-14 17:21:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-14 17:21:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-14 17:21:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-14 17:21:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2020-10-14 17:21:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2020-10-14 17:21:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-14 17:21:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2020-10-14 17:21:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2020-10-14 17:21:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2020-10-14 17:21:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2020-10-14 17:21:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2020-10-14 17:21:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2020-10-14 17:21:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2020-10-14 17:21:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2020-10-14 17:21:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2020-10-14 17:21:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2020-10-14 17:21:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 17:21:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 17:21:09,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 17:21:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 17:21:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 17:21:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 17:21:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 17:21:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 17:21:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 17:21:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 17:21:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 17:21:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 17:21:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 17:21:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 17:21:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 17:21:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 17:21:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 17:21:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 17:21:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 17:21:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 17:21:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 17:21:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-14 17:21:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_4 [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_6 [2020-10-14 17:21:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_8 [2020-10-14 17:21:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_10 [2020-10-14 17:21:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_11 [2020-10-14 17:21:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_12 [2020-10-14 17:21:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 17:21:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 17:21:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_1 [2020-10-14 17:21:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 17:21:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-14 17:21:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-14 17:21:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 17:21:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-14 17:21:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 17:21:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-14 17:21:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-14 17:21:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-14 17:21:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-14 17:21:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2020-10-14 17:21:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 17:21:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2020-10-14 17:21:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-14 17:21:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 17:21:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 17:21:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-14 17:21:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-14 17:21:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_3 [2020-10-14 17:21:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_5 [2020-10-14 17:21:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_7 [2020-10-14 17:21:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_9 [2020-10-14 17:21:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2020-10-14 17:21:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 17:21:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2020-10-14 17:21:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 17:21:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-14 17:21:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-14 17:21:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-14 17:21:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-14 17:21:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2020-10-14 17:21:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2020-10-14 17:21:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2020-10-14 17:21:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2020-10-14 17:21:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2020-10-14 17:21:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2020-10-14 17:21:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2020-10-14 17:21:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2020-10-14 17:21:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2020-10-14 17:21:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2020-10-14 17:21:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2020-10-14 17:21:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2020-10-14 17:21:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2020-10-14 17:21:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 17:21:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure qc_release [2020-10-14 17:21:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 17:21:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 17:21:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 17:21:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 17:21:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 17:21:09,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 17:21:10,726 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 17:21:12,097 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 17:21:12,098 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 17:21:12,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:21:12 BoogieIcfgContainer [2020-10-14 17:21:12,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 17:21:12,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 17:21:12,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 17:21:12,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 17:21:12,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:21:07" (1/3) ... [2020-10-14 17:21:12,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67980e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:21:12, skipping insertion in model container [2020-10-14 17:21:12,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:21:09" (2/3) ... [2020-10-14 17:21:12,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67980e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:21:12, skipping insertion in model container [2020-10-14 17:21:12,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:21:12" (3/3) ... [2020-10-14 17:21:12,115 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-14 17:21:12,125 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 17:21:12,134 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 17:21:12,149 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 17:21:12,176 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 17:21:12,176 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 17:21:12,177 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 17:21:12,177 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 17:21:12,177 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 17:21:12,177 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 17:21:12,177 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 17:21:12,177 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 17:21:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states. [2020-10-14 17:21:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-14 17:21:12,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:21:12,223 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 17:21:12,224 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:21:12,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:21:12,230 INFO L82 PathProgramCache]: Analyzing trace with hash -101387614, now seen corresponding path program 1 times [2020-10-14 17:21:12,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:21:12,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381573264] [2020-10-14 17:21:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:21:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:12,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:13,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:18,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:18,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 17:21:18,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:21:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5192 [2020-10-14 17:21:18,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:18,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:21:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:21:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 17:21:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 17:21:19,173 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:21:19,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:21:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:19,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:19,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:19,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:19,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:19,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-14 17:21:19,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:19,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:19,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:19,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:19,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 17:21:19,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:19,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:21:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:19,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:19,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:19,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:19,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:19,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 17:21:19,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:19,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:19,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:19,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:19,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:19,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:21:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:19,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:19,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:19,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:19,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 17:21:19,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:19,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:19,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:19,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:21:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:19,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:19,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:19,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:19,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 17:21:19,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:19,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:19,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:21:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:19,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:19,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:19,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:21:19,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:19,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:21:19,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:19,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:19,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:19,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:19,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 17:21:19,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:19,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:21:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:19,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:19,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:19,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:19,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:19,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:21:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 17:21:19,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:19,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:19,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:21:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:19,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:20,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:20,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:20,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:20,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:21:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 17:21:20,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:20,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:20,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 17:21:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:20,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:20,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:20,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:21:20,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:20,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 17:21:20,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:21:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:20,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:20,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:20,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:21:20,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:20,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-14 17:21:20,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381573264] [2020-10-14 17:21:20,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:21:20,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 17:21:20,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898267715] [2020-10-14 17:21:20,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 17:21:20,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:21:20,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 17:21:20,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-14 17:21:20,216 INFO L87 Difference]: Start difference. First operand 550 states. Second operand 7 states. [2020-10-14 17:21:20,810 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:21:21,785 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-14 17:21:22,476 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-14 17:21:34,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:21:34,732 INFO L93 Difference]: Finished difference Result 2017 states and 2854 transitions. [2020-10-14 17:21:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 17:21:34,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-10-14 17:21:34,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:21:34,777 INFO L225 Difference]: With dead ends: 2017 [2020-10-14 17:21:34,777 INFO L226 Difference]: Without dead ends: 1427 [2020-10-14 17:21:34,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-14 17:21:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2020-10-14 17:21:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 990. [2020-10-14 17:21:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2020-10-14 17:21:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1291 transitions. [2020-10-14 17:21:35,046 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1291 transitions. Word has length 62 [2020-10-14 17:21:35,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:21:35,047 INFO L479 AbstractCegarLoop]: Abstraction has 990 states and 1291 transitions. [2020-10-14 17:21:35,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 17:21:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1291 transitions. [2020-10-14 17:21:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-14 17:21:35,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:21:35,056 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:21:35,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 17:21:35,057 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:21:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:21:35,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1123204755, now seen corresponding path program 1 times [2020-10-14 17:21:35,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:21:35,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152408942] [2020-10-14 17:21:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:21:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:35,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:35,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:35,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:36,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:40,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:40,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 17:21:40,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 17:21:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5160 [2020-10-14 17:21:40,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:40,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:40,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 17:21:40,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 17:21:40,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:40,942 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:21:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:21:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-10-14 17:21:41,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 17:21:41,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:21:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:41,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:21:41,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:21:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:41,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:21:41,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:41,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:21:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:41,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:21:41,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:21:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:21:41,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:21:41,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 17:21:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:41,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:21:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:21:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 17:21:41,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:41,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:21:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:41,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:21:41,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 17:21:41,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:21:41,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:41,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:21:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 17:21:41,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 17:21:41,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 17:21:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 17:21:41,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:21:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:21:41,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:41,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:21:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:41,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:21:41,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 17:21:41,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 17:21:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:41,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:21:41,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 17:21:41,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 17:21:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 17:21:41,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 17:21:41,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:41,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 17:21:41,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:21:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:41,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:41,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 17:21:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:41,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:41,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:41,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:21:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:41,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:41,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:21:41,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:21:41,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:41,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 17:21:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:21:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:41,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:42,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:42,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:42,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:42,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:42,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-14 17:21:42,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152408942] [2020-10-14 17:21:42,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:21:42,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 17:21:42,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448324715] [2020-10-14 17:21:42,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 17:21:42,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:21:42,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 17:21:42,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 17:21:42,042 INFO L87 Difference]: Start difference. First operand 990 states and 1291 transitions. Second operand 12 states. [2020-10-14 17:21:42,510 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:21:43,389 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-14 17:21:44,048 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-14 17:21:53,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:21:53,401 INFO L93 Difference]: Finished difference Result 2427 states and 3343 transitions. [2020-10-14 17:21:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 17:21:53,402 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-10-14 17:21:53,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:21:53,425 INFO L225 Difference]: With dead ends: 2427 [2020-10-14 17:21:53,425 INFO L226 Difference]: Without dead ends: 1460 [2020-10-14 17:21:53,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-14 17:21:53,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2020-10-14 17:21:53,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1030. [2020-10-14 17:21:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1030 states. [2020-10-14 17:21:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1343 transitions. [2020-10-14 17:21:53,627 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1343 transitions. Word has length 105 [2020-10-14 17:21:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:21:53,628 INFO L479 AbstractCegarLoop]: Abstraction has 1030 states and 1343 transitions. [2020-10-14 17:21:53,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 17:21:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1343 transitions. [2020-10-14 17:21:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-14 17:21:53,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:21:53,633 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:21:53,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 17:21:53,634 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:21:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:21:53,634 INFO L82 PathProgramCache]: Analyzing trace with hash 770116373, now seen corresponding path program 1 times [2020-10-14 17:21:53,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:21:53,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777428002] [2020-10-14 17:21:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:21:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:53,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:54,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:54,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:58,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:58,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 17:21:58,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:21:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 17:21:58,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:58,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:58,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:21:58,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 17:21:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 17:21:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:59,482 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:21:59,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:21:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:59,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 17:21:59,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:21:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:59,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:59,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:21:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:59,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:59,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:59,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:21:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:59,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:59,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:21:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:21:59,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:21:59,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:59,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:21:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:59,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:21:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:21:59,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:21:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:21:59,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:21:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:21:59,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 17:21:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 17:21:59,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 17:21:59,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 17:21:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:21:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:21:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:59,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:21:59,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:21:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:59,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:21:59,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 17:21:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:59,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:59,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 17:21:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 17:21:59,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:21:59,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:21:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:59,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:59,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 17:21:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:21:59,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:21:59,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:21:59,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:21:59,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:21:59,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:21:59,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:21:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:21:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:21:59,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:21:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:21:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 17:21:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:21:59,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:00,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:00,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:22:00,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:00,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 17:22:00,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:00,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 17:22:00,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:00,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:00,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:00,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:00,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:00,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:00,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:00,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:00,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:00,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-14 17:22:00,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777428002] [2020-10-14 17:22:00,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:22:00,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 17:22:00,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387452329] [2020-10-14 17:22:00,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 17:22:00,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:22:00,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 17:22:00,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-14 17:22:00,048 INFO L87 Difference]: Start difference. First operand 1030 states and 1343 transitions. Second operand 11 states. [2020-10-14 17:22:00,546 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:22:01,319 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-14 17:22:01,881 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-14 17:22:08,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:22:08,041 INFO L93 Difference]: Finished difference Result 3021 states and 4214 transitions. [2020-10-14 17:22:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 17:22:08,042 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 105 [2020-10-14 17:22:08,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:22:08,060 INFO L225 Difference]: With dead ends: 3021 [2020-10-14 17:22:08,061 INFO L226 Difference]: Without dead ends: 2014 [2020-10-14 17:22:08,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-10-14 17:22:08,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2020-10-14 17:22:08,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1357. [2020-10-14 17:22:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1357 states. [2020-10-14 17:22:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1753 transitions. [2020-10-14 17:22:08,340 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1753 transitions. Word has length 105 [2020-10-14 17:22:08,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:22:08,343 INFO L479 AbstractCegarLoop]: Abstraction has 1357 states and 1753 transitions. [2020-10-14 17:22:08,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 17:22:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1753 transitions. [2020-10-14 17:22:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 17:22:08,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:22:08,354 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:22:08,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 17:22:08,354 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:22:08,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:22:08,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1386293649, now seen corresponding path program 1 times [2020-10-14 17:22:08,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:22:08,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143733989] [2020-10-14 17:22:08,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:22:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:08,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:08,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:08,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:10,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:13,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:13,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 17:22:13,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 17:22:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-14 17:22:13,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:13,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:22:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 17:22:13,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 17:22:13,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,329 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:22:14,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:22:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:14,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 17:22:14,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:22:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:22:14,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:22:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:14,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:22:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:14,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:22:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:22:14,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:22:14,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:22:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:22:14,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 17:22:14,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:22:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:22:14,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 17:22:14,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 17:22:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:22:14,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:22:14,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:14,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:14,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:22:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 17:22:14,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 17:22:14,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:22:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 17:22:14,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:14,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:22:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:14,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:22:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:14,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:14,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 17:22:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 17:22:14,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 17:22:14,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 17:22:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:14,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:14,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:22:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:14,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:14,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:14,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 17:22:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:14,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:14,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:14,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 17:22:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:14,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:14,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:14,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 17:22:14,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:14,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:22:14,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:14,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:14,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:14,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:15,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:15,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:15,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:15,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:15,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:15,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:15,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:15,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:15,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:15,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:15,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:15,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 17:22:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:15,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:15,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:15,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:15,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:15,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:15,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:15,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:15,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 17:22:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:15,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:15,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:22:15,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:15,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:22:15,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:15,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 17:22:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:15,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:15,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:15,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:15,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:15,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:15,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:15,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:15,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-14 17:22:15,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143733989] [2020-10-14 17:22:15,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:22:15,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 17:22:15,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503352141] [2020-10-14 17:22:15,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 17:22:15,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:22:15,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 17:22:15,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-14 17:22:15,119 INFO L87 Difference]: Start difference. First operand 1357 states and 1753 transitions. Second operand 12 states. [2020-10-14 17:22:15,615 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:22:16,348 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-14 17:22:16,952 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-14 17:22:18,318 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-10-14 17:22:27,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:22:27,629 INFO L93 Difference]: Finished difference Result 3918 states and 5366 transitions. [2020-10-14 17:22:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 17:22:27,630 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 147 [2020-10-14 17:22:27,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:22:27,644 INFO L225 Difference]: With dead ends: 3918 [2020-10-14 17:22:27,644 INFO L226 Difference]: Without dead ends: 2584 [2020-10-14 17:22:27,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2020-10-14 17:22:27,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2584 states. [2020-10-14 17:22:27,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2584 to 1692. [2020-10-14 17:22:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1692 states. [2020-10-14 17:22:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2168 transitions. [2020-10-14 17:22:27,908 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2168 transitions. Word has length 147 [2020-10-14 17:22:28,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:22:28,012 INFO L479 AbstractCegarLoop]: Abstraction has 1692 states and 2168 transitions. [2020-10-14 17:22:28,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 17:22:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2168 transitions. [2020-10-14 17:22:28,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-14 17:22:28,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:22:28,017 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:22:28,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 17:22:28,018 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:22:28,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:22:28,018 INFO L82 PathProgramCache]: Analyzing trace with hash 804444937, now seen corresponding path program 1 times [2020-10-14 17:22:28,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:22:28,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672147277] [2020-10-14 17:22:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:22:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:28,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:28,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:28,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:29,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:33,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:33,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-14 17:22:33,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 17:22:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5198 [2020-10-14 17:22:33,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:33,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:22:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-14 17:22:33,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:22:33,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,082 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:22:34,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:22:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:34,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 17:22:34,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:22:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:34,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:22:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:34,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:22:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:34,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:34,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:22:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:22:34,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:22:34,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:22:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:22:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:22:34,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:22:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:22:34,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:22:34,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 17:22:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:22:34,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 17:22:34,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 17:22:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 17:22:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:22:34,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:34,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:22:34,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 17:22:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 17:22:34,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 17:22:34,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 17:22:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:22:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:22:34,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:34,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:22:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:34,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:34,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:34,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:22:34,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:34,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:34,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:34,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:34,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 17:22:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:34,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:34,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 17:22:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:22:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-14 17:22:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 17:22:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:22:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 17:22:35,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:22:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-14 17:22:35,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:35,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:22:35,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:22:35,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:35,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:22:35,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:35,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:22:35,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:35,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:22:35,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:35,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:22:35,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:35,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:22:35,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:35,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:22:35,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:35,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:22:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:35,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:35,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:35,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:22:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 17:22:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:22:35,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:22:35,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 17:22:35,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:35,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:22:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:35,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:35,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:22:35,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:22:35,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:22:35,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:35,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:22:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:22:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:22:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:22:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-14 17:22:35,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672147277] [2020-10-14 17:22:35,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:22:35,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 17:22:35,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337420463] [2020-10-14 17:22:35,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 17:22:35,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:22:35,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 17:22:35,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-14 17:22:35,590 INFO L87 Difference]: Start difference. First operand 1692 states and 2168 transitions. Second operand 14 states. [2020-10-14 17:22:36,084 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:22:38,189 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2020-10-14 17:22:39,448 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-14 17:22:40,253 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-14 17:22:41,083 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-14 17:22:53,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:22:53,784 INFO L93 Difference]: Finished difference Result 6731 states and 9055 transitions. [2020-10-14 17:22:53,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 17:22:53,785 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2020-10-14 17:22:53,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:22:53,809 INFO L225 Difference]: With dead ends: 6731 [2020-10-14 17:22:53,809 INFO L226 Difference]: Without dead ends: 5032 [2020-10-14 17:22:53,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=254, Invalid=936, Unknown=0, NotChecked=0, Total=1190 [2020-10-14 17:22:53,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2020-10-14 17:22:54,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 3041. [2020-10-14 17:22:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3041 states. [2020-10-14 17:22:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 3921 transitions. [2020-10-14 17:22:54,197 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 3921 transitions. Word has length 154 [2020-10-14 17:22:54,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:22:54,197 INFO L479 AbstractCegarLoop]: Abstraction has 3041 states and 3921 transitions. [2020-10-14 17:22:54,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 17:22:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3921 transitions. [2020-10-14 17:22:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-14 17:22:54,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:22:54,204 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:22:54,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 17:22:54,205 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:22:54,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:22:54,205 INFO L82 PathProgramCache]: Analyzing trace with hash -155364962, now seen corresponding path program 1 times [2020-10-14 17:22:54,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:22:54,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873947778] [2020-10-14 17:22:54,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:22:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:22:54,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:54,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:54,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:22:59,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:22:59,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-14 17:22:59,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5183 [2020-10-14 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 17:22:59,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 17:22:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 17:22:59,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,013 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:23:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:23:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:00,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 17:23:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:00,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:23:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:00,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:23:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:23:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:23:00,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:00,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:23:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:23:00,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 17:23:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:00,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 17:23:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 17:23:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:23:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 17:23:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 17:23:00,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 17:23:00,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 17:23:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:00,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:00,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:23:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 17:23:00,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 17:23:00,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:23:00,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:23:00,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:00,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:00,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:00,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:00,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:23:00,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:00,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:00,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 17:23:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 17:23:00,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 17:23:00,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 17:23:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:00,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:23:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:00,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:00,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:23:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:00,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:00,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:00,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:00,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:00,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:00,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 17:23:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:00,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 17:23:01,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:23:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-14 17:23:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 17:23:01,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:01,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 17:23:01,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 17:23:01,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:01,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:23:01,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:01,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:23:01,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:01,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:23:01,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:01,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:23:01,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:01,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:01,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:01,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:01,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:01,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:01,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:01,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:01,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:01,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:01,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:23:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:01,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 17:23:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:01,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:23:01,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 17:23:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:01,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:01,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:01,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:01,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:01,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:01,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:01,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:01,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:01,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:01,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:01,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:01,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:23:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-14 17:23:01,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873947778] [2020-10-14 17:23:01,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:23:01,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 17:23:01,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651346672] [2020-10-14 17:23:01,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 17:23:01,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:23:01,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 17:23:01,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-14 17:23:01,694 INFO L87 Difference]: Start difference. First operand 3041 states and 3921 transitions. Second operand 14 states. [2020-10-14 17:23:02,201 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:23:03,773 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-14 17:23:04,330 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-14 17:23:11,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:23:11,987 INFO L93 Difference]: Finished difference Result 6345 states and 8167 transitions. [2020-10-14 17:23:11,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 17:23:11,988 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 181 [2020-10-14 17:23:11,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:23:12,005 INFO L225 Difference]: With dead ends: 6345 [2020-10-14 17:23:12,005 INFO L226 Difference]: Without dead ends: 3318 [2020-10-14 17:23:12,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2020-10-14 17:23:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2020-10-14 17:23:12,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 3042. [2020-10-14 17:23:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3042 states. [2020-10-14 17:23:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 3922 transitions. [2020-10-14 17:23:12,490 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 3922 transitions. Word has length 181 [2020-10-14 17:23:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:23:12,491 INFO L479 AbstractCegarLoop]: Abstraction has 3042 states and 3922 transitions. [2020-10-14 17:23:12,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 17:23:12,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3922 transitions. [2020-10-14 17:23:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-14 17:23:12,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:23:12,505 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:12,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 17:23:12,506 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:23:12,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:23:12,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1411063588, now seen corresponding path program 1 times [2020-10-14 17:23:12,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:23:12,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076208382] [2020-10-14 17:23:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:23:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:12,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:16,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:17,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:17,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:17,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-14 17:23:17,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 17:23:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5215 [2020-10-14 17:23:17,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:17,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:23:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 17:23:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 17:23:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:18,477 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:23:18,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:23:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:18,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 17:23:18,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:18,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:18,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:18,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:18,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:23:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:18,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:18,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:18,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:23:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:18,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:18,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:23:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:18,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:18,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:23:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 17:23:18,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 17:23:18,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:18,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 17:23:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 17:23:18,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 17:23:18,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 17:23:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 17:23:18,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 17:23:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:18,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:18,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 17:23:18,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:23:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:18,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:18,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 17:23:18,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:18,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 17:23:18,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:18,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:18,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:18,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:23:19,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 17:23:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:19,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:19,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:19,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:19,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:19,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:19,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:19,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:19,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 17:23:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 17:23:19,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 17:23:19,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:23:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 17:23:19,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:19,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:19,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:19,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:19,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:23:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:19,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:23:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:19,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:19,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:19,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:19,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:19,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 17:23:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:19,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 17:23:20,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:23:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 750 [2020-10-14 17:23:20,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:23:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 17:23:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 17:23:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:20,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 17:23:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:20,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:23:20,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:20,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:23:20,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:20,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:23:20,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:20,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:20,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:20,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:23:20,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:20,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:20,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:20,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:23:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:20,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:20,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:20,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 17:23:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:20,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:20,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:20,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 17:23:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:20,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:20,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:20,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:20,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:20,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:20,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:20,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:20,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:20,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-14 17:23:20,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076208382] [2020-10-14 17:23:20,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:23:20,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-14 17:23:20,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483085613] [2020-10-14 17:23:20,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 17:23:20,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:23:20,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 17:23:20,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-14 17:23:20,355 INFO L87 Difference]: Start difference. First operand 3042 states and 3922 transitions. Second operand 13 states. [2020-10-14 17:23:21,311 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:23:23,042 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-14 17:23:23,635 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-14 17:23:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:23:27,814 INFO L93 Difference]: Finished difference Result 4805 states and 6229 transitions. [2020-10-14 17:23:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 17:23:27,816 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 183 [2020-10-14 17:23:27,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:23:27,827 INFO L225 Difference]: With dead ends: 4805 [2020-10-14 17:23:27,827 INFO L226 Difference]: Without dead ends: 1686 [2020-10-14 17:23:27,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2020-10-14 17:23:27,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2020-10-14 17:23:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1553. [2020-10-14 17:23:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1553 states. [2020-10-14 17:23:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2024 transitions. [2020-10-14 17:23:28,027 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2024 transitions. Word has length 183 [2020-10-14 17:23:28,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:23:28,028 INFO L479 AbstractCegarLoop]: Abstraction has 1553 states and 2024 transitions. [2020-10-14 17:23:28,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 17:23:28,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2024 transitions. [2020-10-14 17:23:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-14 17:23:28,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:23:28,035 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:28,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 17:23:28,035 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:23:28,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:23:28,036 INFO L82 PathProgramCache]: Analyzing trace with hash -518746106, now seen corresponding path program 1 times [2020-10-14 17:23:28,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:23:28,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956195260] [2020-10-14 17:23:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:23:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:28,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:28,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:28,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:29,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:33,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:33,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 17:23:33,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5094 [2020-10-14 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 17:23:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:33,820 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:23:33,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:23:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:33,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:33,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:33,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:33,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 17:23:33,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:33,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:33,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:33,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:33,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:33,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:33,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:33,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:33,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:33,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:33,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:33,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:33,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:33,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:33,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:33,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:23:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:33,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:33,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:33,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:33,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:33,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:33,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:33,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:33,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:33,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:33,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:33,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:33,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:23:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:33,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:33,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:33,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:33,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:33,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:33,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:33,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:33,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:33,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:33,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:33,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:33,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:23:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:33,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:33,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:33,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:23:33,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:33,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:33,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:33,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:23:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 17:23:34,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:23:34,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 17:23:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 17:23:34,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:23:34,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 17:23:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 17:23:34,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 17:23:34,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:23:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-14 17:23:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:34,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:23:34,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:23:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:23:34,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:23:34,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:34,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:34,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:34,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:34,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:34,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:23:34,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 17:23:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 17:23:34,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 17:23:34,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:23:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 17:23:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:23:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:23:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:34,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:34,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:34,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:23:34,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:34,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:34,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:34,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:34,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:34,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:34,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 17:23:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:34,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:34,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 17:23:35,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:23:35,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-14 17:23:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 17:23:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 17:23:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 17:23:35,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:35,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 17:23:35,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:23:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:23:35,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:23:35,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:35,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:35,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:23:35,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:23:35,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:35,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:35,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:35,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:23:35,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:23:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:35,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:35,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-14 17:23:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 17:23:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:23:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 17:23:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:23:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:35,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:35,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 17:23:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:35,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:35,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:35,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:35,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:35,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:23:35,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:35,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:35,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 17:23:35,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956195260] [2020-10-14 17:23:35,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 17:23:35,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 17:23:35,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477690409] [2020-10-14 17:23:35,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 17:23:35,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:23:35,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 17:23:35,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-14 17:23:35,406 INFO L87 Difference]: Start difference. First operand 1553 states and 2024 transitions. Second operand 15 states. [2020-10-14 17:23:35,926 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:23:36,801 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-14 17:23:37,413 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-14 17:23:38,618 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-14 17:23:39,980 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-14 17:23:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:23:53,455 INFO L93 Difference]: Finished difference Result 4878 states and 6354 transitions. [2020-10-14 17:23:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-14 17:23:53,457 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 187 [2020-10-14 17:23:53,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:23:53,480 INFO L225 Difference]: With dead ends: 4878 [2020-10-14 17:23:53,480 INFO L226 Difference]: Without dead ends: 4856 [2020-10-14 17:23:53,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=556, Invalid=1796, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 17:23:53,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4856 states. [2020-10-14 17:23:53,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4856 to 4280. [2020-10-14 17:23:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2020-10-14 17:23:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5635 transitions. [2020-10-14 17:23:53,956 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5635 transitions. Word has length 187 [2020-10-14 17:23:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:23:53,956 INFO L479 AbstractCegarLoop]: Abstraction has 4280 states and 5635 transitions. [2020-10-14 17:23:53,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 17:23:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5635 transitions. [2020-10-14 17:23:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-14 17:23:53,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:23:53,965 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:23:53,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 17:23:53,965 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:23:53,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:23:53,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1028219196, now seen corresponding path program 1 times [2020-10-14 17:23:53,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:23:53,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504888041] [2020-10-14 17:23:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:23:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:54,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:54,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:54,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 17:23:59,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:23:59,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5105 [2020-10-14 17:23:59,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:23:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 17:23:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 17:23:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,689 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:23:59,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:23:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:23:59,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 17:23:59,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:59,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:59,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:23:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:59,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:59,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:23:59,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:59,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:59,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:23:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:59,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:23:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:23:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:23:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:23:59,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:23:59,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:59,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:23:59,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:59,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:23:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 17:23:59,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:23:59,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 17:23:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 17:23:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 17:23:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 17:23:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 17:23:59,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:23:59,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:23:59,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 17:23:59,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:59,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 17:23:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:23:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:23:59,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:23:59,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 17:23:59,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:23:59,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 17:23:59,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:23:59,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:23:59,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:23:59,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 17:23:59,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:23:59,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:23:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:24:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 17:24:00,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:24:00,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:24:00,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:24:00,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:00,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:00,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:24:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:24:00,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:24:00,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:00,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:00,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 17:24:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 17:24:00,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:24:00,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 17:24:00,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:00,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:00,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:24:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:24:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:00,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:00,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-14 17:24:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 17:24:00,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:24:00,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-14 17:24:00,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 17:24:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:00,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:24:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 17:24:00,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:24:00,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:24:00,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:24:00,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:24:00,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:24:00,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:00,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:00,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:24:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:00,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-14 17:24:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 17:24:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:24:00,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 17:24:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:24:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 17:24:00,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:00,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:00,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:00,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 17:24:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:00,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:00,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:00,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:00,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:00,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:00,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-14 17:24:00,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504888041] [2020-10-14 17:24:00,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:24:00,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 17:24:00,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610229041] [2020-10-14 17:24:00,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 17:24:00,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:24:00,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 17:24:00,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-14 17:24:00,814 INFO L87 Difference]: Start difference. First operand 4280 states and 5635 transitions. Second operand 16 states. [2020-10-14 17:24:01,344 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:24:02,585 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-14 17:24:03,121 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-14 17:24:03,663 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-14 17:24:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 17:24:09,466 INFO L93 Difference]: Finished difference Result 8801 states and 11577 transitions. [2020-10-14 17:24:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 17:24:09,467 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 187 [2020-10-14 17:24:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 17:24:09,498 INFO L225 Difference]: With dead ends: 8801 [2020-10-14 17:24:09,498 INFO L226 Difference]: Without dead ends: 4535 [2020-10-14 17:24:09,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2020-10-14 17:24:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2020-10-14 17:24:09,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4281. [2020-10-14 17:24:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-10-14 17:24:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5636 transitions. [2020-10-14 17:24:09,867 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5636 transitions. Word has length 187 [2020-10-14 17:24:09,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 17:24:09,867 INFO L479 AbstractCegarLoop]: Abstraction has 4281 states and 5636 transitions. [2020-10-14 17:24:09,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 17:24:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5636 transitions. [2020-10-14 17:24:09,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-14 17:24:09,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 17:24:09,875 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:24:09,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 17:24:09,875 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 17:24:09,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 17:24:09,875 INFO L82 PathProgramCache]: Analyzing trace with hash -455731066, now seen corresponding path program 2 times [2020-10-14 17:24:09,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 17:24:09,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173391479] [2020-10-14 17:24:09,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 17:24:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:10,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:10,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-14 17:24:15,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:24:15,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5116 [2020-10-14 17:24:15,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:24:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 17:24:15,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 17:24:15,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,611 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-14 17:24:15,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:24:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:15,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 17:24:15,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:24:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:15,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:24:15,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 17:24:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:15,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:24:15,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 17:24:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 17:24:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 17:24:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 17:24:15,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 17:24:15,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 17:24:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 17:24:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 17:24:15,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 17:24:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 17:24:15,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:24:15,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 17:24:15,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 17:24:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 17:24:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-14 17:24:15,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 17:24:15,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-14 17:24:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:15,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:15,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:24:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 17:24:15,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:24:15,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:24:15,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 17:24:15,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:15,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:15,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:15,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:15,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:15,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 17:24:15,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:15,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:15,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:15,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:24:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:24:16,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 17:24:16,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:16,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:16,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 17:24:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 17:24:16,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 17:24:16,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 17:24:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:16,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:16,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 17:24:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:16,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:16,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 17:24:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:16,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 17:24:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 17:24:16,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 17:24:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-14 17:24:16,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 17:24:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 17:24:16,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 17:24:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 17:24:16,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 17:24:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 17:24:16,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 17:24:16,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:24:16,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 17:24:16,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 17:24:16,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 17:24:16,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:24:16,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 17:24:16,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 17:24:16,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 17:24:16,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 17:24:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:16,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:16,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 17:24:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 17:24:16,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 17:24:16,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 17:24:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 17:24:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 17:24:16,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 17:24:16,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 17:24:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:16,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 17:24:16,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 17:24:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 17:24:16,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 17:24:16,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 17:24:16,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 17:24:16,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 17:24:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 17:24:16,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 17:24:16,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 17:24:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 17:24:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 17:24:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 17:24:16,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 17:24:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-14 17:24:16,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173391479] [2020-10-14 17:24:16,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 17:24:16,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 17:24:16,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500286484] [2020-10-14 17:24:16,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 17:24:16,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 17:24:16,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 17:24:16,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2020-10-14 17:24:16,936 INFO L87 Difference]: Start difference. First operand 4281 states and 5636 transitions. Second operand 17 states. [2020-10-14 17:24:17,463 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-14 17:24:18,822 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-14 17:24:19,367 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-14 17:24:20,027 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-14 17:24:20,605 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 318