/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --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 language data_model -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 0.2.0-0f64333 [2020-10-27 13:48:55,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 13:48:55,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 13:48:55,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 13:48:55,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 13:48:55,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 13:48:55,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 13:48:55,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 13:48:55,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 13:48:55,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 13:48:55,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 13:48:55,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 13:48:55,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 13:48:55,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 13:48:55,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 13:48:55,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 13:48:55,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 13:48:55,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 13:48:55,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 13:48:55,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 13:48:55,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 13:48:55,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 13:48:55,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 13:48:55,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 13:48:55,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 13:48:55,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 13:48:55,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 13:48:55,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 13:48:55,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 13:48:55,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 13:48:55,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 13:48:55,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 13:48:55,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 13:48:55,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 13:48:55,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 13:48:55,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 13:48:55,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 13:48:55,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 13:48:55,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 13:48:55,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 13:48:55,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 13:48:55,693 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 [2020-10-27 13:48:55,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 13:48:55,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 13:48:55,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 13:48:55,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 13:48:55,725 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 13:48:55,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 13:48:55,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 13:48:55,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 13:48:55,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 13:48:55,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 13:48:55,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 13:48:55,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 13:48:55,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 13:48:55,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 13:48:55,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 13:48:55,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 13:48:55,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 13:48:55,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 13:48:55,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 13:48:55,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 13:48:55,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 13:48:55,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 13:48:55,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 13:48:55,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 13:48:55,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 13:48:55,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 13:48:55,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 13:48:55,731 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 13:48:56,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 13:48:56,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 13:48:56,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 13:48:56,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 13:48:56,145 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 13:48:56,146 INFO L432 ainManager$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 [2020-10-27 13:48:56,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5e645e70/ad22e0c44c584b1082b43c02a6185e0f/FLAGb6dfcd640 [2020-10-27 13:48:57,175 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 13:48:57,176 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 [2020-10-27 13:48:57,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5e645e70/ad22e0c44c584b1082b43c02a6185e0f/FLAGb6dfcd640 [2020-10-27 13:48:57,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5e645e70/ad22e0c44c584b1082b43c02a6185e0f [2020-10-27 13:48:57,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 13:48:57,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 13:48:57,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 13:48:57,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 13:48:57,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 13:48:57,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:48:57" (1/1) ... [2020-10-27 13:48:57,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de5e88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:57, skipping insertion in model container [2020-10-27 13:48:57,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:48:57" (1/1) ... [2020-10-27 13:48:57,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 13:48:57,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 13:48:58,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:48:58,894 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 13:48:59,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:48:59,289 INFO L208 MainTranslator]: Completed translation [2020-10-27 13:48:59,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59 WrapperNode [2020-10-27 13:48:59,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 13:48:59,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 13:48:59,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 13:48:59,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 13:48:59,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (1/1) ... [2020-10-27 13:48:59,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (1/1) ... [2020-10-27 13:48:59,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (1/1) ... [2020-10-27 13:48:59,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (1/1) ... [2020-10-27 13:48:59,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (1/1) ... [2020-10-27 13:48:59,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (1/1) ... [2020-10-27 13:48:59,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (1/1) ... [2020-10-27 13:48:59,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 13:48:59,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 13:48:59,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 13:48:59,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 13:48:59,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (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 [2020-10-27 13:48:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 13:48:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 13:48:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 13:48:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 13:48:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 13:48:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 13:48:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 13:48:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 13:48:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 13:48:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 13:48:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-27 13:48:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 13:48:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 13:48:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 13:48:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 13:48:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 13:48:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_1 [2020-10-27 13:48:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-27 13:48:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-27 13:48:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-27 13:48:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-27 13:48:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-27 13:48:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-27 13:48:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2020-10-27 13:48:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2020-10-27 13:48:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2020-10-27 13:48:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_release [2020-10-27 13:48:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2020-10-27 13:48:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2020-10-27 13:48:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-27 13:48:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-27 13:48:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 13:48:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 13:48:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2020-10-27 13:48:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_3 [2020-10-27 13:48:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_4 [2020-10-27 13:48:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_5 [2020-10-27 13:48:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_6 [2020-10-27 13:48:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_7 [2020-10-27 13:48:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_8 [2020-10-27 13:48:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_9 [2020-10-27 13:48:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_10 [2020-10-27 13:48:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_11 [2020-10-27 13:48:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_12 [2020-10-27 13:48:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-27 13:48:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc [2020-10-27 13:48:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2020-10-27 13:48:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 13:48:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 13:48:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 13:48:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 13:48:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2020-10-27 13:48:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 13:48:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 13:48:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2020-10-27 13:48:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 13:48:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-27 13:48:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-27 13:48:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-27 13:48:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-27 13:48:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2020-10-27 13:48:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2020-10-27 13:48:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-27 13:48:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2020-10-27 13:48:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2020-10-27 13:48:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2020-10-27 13:48:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2020-10-27 13:48:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2020-10-27 13:48:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2020-10-27 13:48:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2020-10-27 13:48:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2020-10-27 13:48:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2020-10-27 13:48:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2020-10-27 13:48:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 13:48:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 13:48:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 13:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 13:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 13:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 13:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 13:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 13:48:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 13:48:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 13:48:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 13:48:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 13:48:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 13:48:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 13:48:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 13:48:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 13:48:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 13:48:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 13:48:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 13:48:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 13:48:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 13:48:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 13:48:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 13:48:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 13:48:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 13:48:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-27 13:48:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 13:48:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc [2020-10-27 13:48:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2020-10-27 13:48:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 13:48:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 13:48:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 13:48:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_4 [2020-10-27 13:48:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_6 [2020-10-27 13:48:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_8 [2020-10-27 13:48:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_10 [2020-10-27 13:48:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_11 [2020-10-27 13:48:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_12 [2020-10-27 13:48:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 13:48:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 13:48:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_1 [2020-10-27 13:48:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 13:48:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-27 13:48:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-27 13:48:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 13:48:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-27 13:48:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 13:48:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-27 13:48:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-27 13:48:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-27 13:48:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-27 13:48:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2020-10-27 13:48:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 13:48:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2020-10-27 13:48:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-27 13:48:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 13:48:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-27 13:48:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-27 13:48:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_3 [2020-10-27 13:48:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_5 [2020-10-27 13:48:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_7 [2020-10-27 13:48:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_9 [2020-10-27 13:48:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2020-10-27 13:48:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 13:48:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2020-10-27 13:48:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 13:48:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-27 13:48:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-27 13:48:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-27 13:48:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-27 13:48:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2020-10-27 13:48:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2020-10-27 13:48:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2020-10-27 13:48:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2020-10-27 13:48:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2020-10-27 13:48:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2020-10-27 13:48:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2020-10-27 13:48:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2020-10-27 13:48:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2020-10-27 13:48:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2020-10-27 13:48:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2020-10-27 13:48:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2020-10-27 13:48:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2020-10-27 13:48:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 13:48:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure qc_release [2020-10-27 13:48:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2020-10-27 13:48:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2020-10-27 13:48:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2020-10-27 13:48:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 13:48:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 13:48:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 13:48:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 13:48:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 13:48:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 13:48:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 13:48:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 13:48:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 13:48:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 13:49:00,669 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 13:49:02,335 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 13:49:02,335 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 13:49:02,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:49:02 BoogieIcfgContainer [2020-10-27 13:49:02,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 13:49:02,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 13:49:02,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 13:49:02,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 13:49:02,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:48:57" (1/3) ... [2020-10-27 13:49:02,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbfdd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:49:02, skipping insertion in model container [2020-10-27 13:49:02,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:48:59" (2/3) ... [2020-10-27 13:49:02,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbfdd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:49:02, skipping insertion in model container [2020-10-27 13:49:02,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:49:02" (3/3) ... [2020-10-27 13:49:02,354 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-27 13:49:02,368 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 13:49:02,375 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 13:49:02,389 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 13:49:02,428 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 13:49:02,428 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 13:49:02,429 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 13:49:02,429 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 13:49:02,429 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 13:49:02,429 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 13:49:02,429 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 13:49:02,429 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 13:49:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states. [2020-10-27 13:49:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 13:49:02,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:49:02,480 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, 1, 1] [2020-10-27 13:49:02,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:49:02,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:49:02,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1370048386, now seen corresponding path program 1 times [2020-10-27 13:49:02,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:49:02,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765147078] [2020-10-27 13:49:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:49:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:03,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:03,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:08,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:08,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 13:49:08,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:49:08,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5121 [2020-10-27 13:49:08,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 13:49:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 13:49:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 13:49:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 13:49:09,062 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:49:09,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:49:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:09,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-27 13:49:09,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:09,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:49:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:09,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:49:09,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:09,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:09,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:49:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:09,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:49:09,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:09,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:49:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:09,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:49:09,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:09,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:09,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:49:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:49:09,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:49:09,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:49:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:09,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 13:49:09,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 13:49:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:49:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:09,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 13:49:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 13:49:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:49:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 13:49:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:49:09,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:49:09,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:49:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:49:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:09,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:09,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:09,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:09,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:49:09,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:09,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:09,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:09,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 13:49:09,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765147078] [2020-10-27 13:49:09,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:49:09,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 13:49:09,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624406983] [2020-10-27 13:49:09,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 13:49:09,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:49:09,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 13:49:09,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 13:49:09,766 INFO L87 Difference]: Start difference. First operand 554 states. Second operand 8 states. [2020-10-27 13:49:10,511 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:49:12,281 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-27 13:49:13,191 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2020-10-27 13:49:20,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:49:20,325 INFO L93 Difference]: Finished difference Result 1152 states and 1531 transitions. [2020-10-27 13:49:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 13:49:20,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-27 13:49:20,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:49:20,351 INFO L225 Difference]: With dead ends: 1152 [2020-10-27 13:49:20,352 INFO L226 Difference]: Without dead ends: 592 [2020-10-27 13:49:20,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-27 13:49:20,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-27 13:49:20,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 536. [2020-10-27 13:49:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-10-27 13:49:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 693 transitions. [2020-10-27 13:49:20,572 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 693 transitions. Word has length 64 [2020-10-27 13:49:20,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:49:20,573 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 693 transitions. [2020-10-27 13:49:20,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 13:49:20,573 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 693 transitions. [2020-10-27 13:49:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 13:49:20,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:49:20,580 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] [2020-10-27 13:49:20,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 13:49:20,580 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:49:20,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:49:20,581 INFO L82 PathProgramCache]: Analyzing trace with hash 891743970, now seen corresponding path program 1 times [2020-10-27 13:49:20,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:49:20,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907544035] [2020-10-27 13:49:20,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:49:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:20,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:21,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:21,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:25,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:25,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 13:49:25,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 13:49:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 13:49:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 13:49:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:49:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 13:49:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:26,817 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:49:26,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:49:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:26,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:27,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:27,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-27 13:49:27,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 13:49:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 13:49:27,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:49:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:27,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:27,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:49:27,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:27,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:49:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:27,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 13:49:27,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:27,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:49:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 13:49:27,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:49:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:49:27,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:27,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:49:27,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 13:49:27,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:49:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:49:27,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:49:27,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 13:49:27,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:49:27,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 13:49:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:49:27,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:49:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 13:49:27,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:49:27,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 13:49:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:49:27,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:27,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 13:49:27,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 13:49:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:49:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:27,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:27,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:27,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:27,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:27,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:49:27,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:27,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 13:49:27,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907544035] [2020-10-27 13:49:27,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:49:27,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 13:49:27,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828236311] [2020-10-27 13:49:27,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 13:49:27,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:49:27,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 13:49:27,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 13:49:27,963 INFO L87 Difference]: Start difference. First operand 536 states and 693 transitions. Second operand 7 states. [2020-10-27 13:49:28,840 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:49:29,974 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2020-10-27 13:49:30,894 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 13:49:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:49:42,746 INFO L93 Difference]: Finished difference Result 1130 states and 1483 transitions. [2020-10-27 13:49:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 13:49:42,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2020-10-27 13:49:42,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:49:42,758 INFO L225 Difference]: With dead ends: 1130 [2020-10-27 13:49:42,758 INFO L226 Difference]: Without dead ends: 1109 [2020-10-27 13:49:42,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 13:49:42,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-27 13:49:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 993. [2020-10-27 13:49:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2020-10-27 13:49:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1294 transitions. [2020-10-27 13:49:42,958 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1294 transitions. Word has length 66 [2020-10-27 13:49:42,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:49:42,959 INFO L481 AbstractCegarLoop]: Abstraction has 993 states and 1294 transitions. [2020-10-27 13:49:42,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 13:49:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1294 transitions. [2020-10-27 13:49:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-27 13:49:42,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:49:42,966 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-27 13:49:42,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 13:49:42,966 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:49:42,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:49:42,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1363457072, now seen corresponding path program 1 times [2020-10-27 13:49:42,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:49:42,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801365484] [2020-10-27 13:49:42,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:49:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:43,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:43,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:43,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:48,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:48,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 13:49:48,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:49:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-27 13:49:48,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:48,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:48,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:49:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 13:49:48,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:49:49,118 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:49:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:49:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:49,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:49,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-27 13:49:49,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 13:49:49,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:49,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:49:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:49,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:49,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:49:49,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:49,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:49:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:49,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:49:49,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:49,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:49:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:49:49,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:49:49,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:49:49,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:49:49,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:49:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:49:49,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:49:49,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:49,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 13:49:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:49,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:49:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:49:49,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:49:49,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 13:49:49,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:49:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:49,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 13:49:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:49:49,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:49:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 13:49:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:49:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 13:49:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:49,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:49,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:49,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:49:49,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 13:49:49,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 13:49:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 13:49:50,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:49:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:49:50,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:49:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:50,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:49:50,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:50,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:50,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 13:49:50,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:49:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:50,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:49:50,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 13:49:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:49:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:49:50,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:49:50,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:49:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:50,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 13:49:50,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:49:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:50,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:49:50,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:50,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:49:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:50,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:49:50,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 13:49:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:49:50,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:49:50,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:50,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:49:50,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:50,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:49:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:49:50,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:49:50,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:49:50,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:49:50,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:49:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:49:50,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:49:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:49:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:49:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:49:50,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:49:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 13:49:50,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801365484] [2020-10-27 13:49:50,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:49:50,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 13:49:50,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822994780] [2020-10-27 13:49:50,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 13:49:50,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:49:50,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 13:49:50,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 13:49:50,322 INFO L87 Difference]: Start difference. First operand 993 states and 1294 transitions. Second operand 12 states. [2020-10-27 13:49:51,253 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:49:52,690 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2020-10-27 13:49:53,649 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 13:50:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:50:00,001 INFO L93 Difference]: Finished difference Result 2111 states and 2782 transitions. [2020-10-27 13:50:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 13:50:00,003 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-10-27 13:50:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:50:00,011 INFO L225 Difference]: With dead ends: 2111 [2020-10-27 13:50:00,012 INFO L226 Difference]: Without dead ends: 1142 [2020-10-27 13:50:00,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-27 13:50:00,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-10-27 13:50:00,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1033. [2020-10-27 13:50:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2020-10-27 13:50:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1346 transitions. [2020-10-27 13:50:00,219 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1346 transitions. Word has length 109 [2020-10-27 13:50:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:50:00,220 INFO L481 AbstractCegarLoop]: Abstraction has 1033 states and 1346 transitions. [2020-10-27 13:50:00,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 13:50:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1346 transitions. [2020-10-27 13:50:00,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-27 13:50:00,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:50:00,224 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-27 13:50:00,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 13:50:00,225 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:50:00,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:50:00,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1347938354, now seen corresponding path program 1 times [2020-10-27 13:50:00,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:50:00,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562459278] [2020-10-27 13:50:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:50:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:00,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:00,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:04,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:05,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:05,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 13:50:05,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:50:05,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5113 [2020-10-27 13:50:05,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:05,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 13:50:05,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 13:50:05,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 13:50:05,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,413 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:50:06,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:50:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:06,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-27 13:50:06,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:06,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:06,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:50:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:06,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:06,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:50:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:06,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:06,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:50:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:50:06,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:06,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:06,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:50:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:50:06,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 13:50:06,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 13:50:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:50:06,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:50:06,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 13:50:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:50:06,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:50:06,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 13:50:06,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 13:50:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:50:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:50:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 13:50:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:50:06,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 13:50:06,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 13:50:06,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:06,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:06,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:06,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:50:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:06,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:06,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:06,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:06,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:06,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:06,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:06,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:50:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:07,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:07,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:07,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:50:07,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:07,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:50:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:07,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:07,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:07,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:50:07,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:07,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:50:07,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:07,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:07,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:07,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:07,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:50:07,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:07,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:07,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:50:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:07,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:07,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:07,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:07,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:07,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:07,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:07,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 13:50:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:07,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:07,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:07,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:50:07,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:07,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:50:07,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:50:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:07,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:07,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:07,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:07,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:07,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:07,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:07,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 13:50:07,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562459278] [2020-10-27 13:50:07,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:50:07,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 13:50:07,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004466279] [2020-10-27 13:50:07,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 13:50:07,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:50:07,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 13:50:07,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-27 13:50:07,212 INFO L87 Difference]: Start difference. First operand 1033 states and 1346 transitions. Second operand 13 states. [2020-10-27 13:50:08,044 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:50:09,796 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-27 13:50:10,661 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 13:50:11,545 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-27 13:50:18,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:50:18,114 INFO L93 Difference]: Finished difference Result 2162 states and 2824 transitions. [2020-10-27 13:50:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 13:50:18,120 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 109 [2020-10-27 13:50:18,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:50:18,127 INFO L225 Difference]: With dead ends: 2162 [2020-10-27 13:50:18,127 INFO L226 Difference]: Without dead ends: 1143 [2020-10-27 13:50:18,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-10-27 13:50:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2020-10-27 13:50:18,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1034. [2020-10-27 13:50:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-10-27 13:50:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1347 transitions. [2020-10-27 13:50:18,318 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1347 transitions. Word has length 109 [2020-10-27 13:50:18,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:50:18,319 INFO L481 AbstractCegarLoop]: Abstraction has 1034 states and 1347 transitions. [2020-10-27 13:50:18,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 13:50:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1347 transitions. [2020-10-27 13:50:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 13:50:18,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:50:18,324 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1] [2020-10-27 13:50:18,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 13:50:18,324 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:50:18,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:50:18,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1744210518, now seen corresponding path program 2 times [2020-10-27 13:50:18,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:50:18,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091896731] [2020-10-27 13:50:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:50:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:18,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:18,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:18,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:23,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:23,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 13:50:23,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:50:23,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5102 [2020-10-27 13:50:23,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:23,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:50:23,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 13:50:23,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:50:23,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:24,509 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:50:24,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:50:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:24,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:24,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:24,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:24,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:24,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-27 13:50:24,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:24,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:24,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:24,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:24,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:24,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:24,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:24,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:24,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:24,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:50:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:24,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:24,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:24,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:24,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 13:50:24,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 13:50:24,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:50:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:24,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:24,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:24,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:24,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:50:24,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:24,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:50:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:24,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:24,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:50:24,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:24,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:24,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:24,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:24,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:24,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:50:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:24,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:24,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:24,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 13:50:24,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 13:50:24,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:50:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:50:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 13:50:24,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 13:50:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 13:50:25,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:50:25,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 13:50:25,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:50:25,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:50:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 13:50:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 13:50:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:50:25,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:50:25,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 13:50:25,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:25,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:25,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:50:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:25,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:25,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:25,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:50:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:25,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:25,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:50:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:50:25,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:25,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:25,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:25,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:25,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:50:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 13:50:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:50:25,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:50:25,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:50:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:25,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:25,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:25,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:25,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:25,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 13:50:25,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091896731] [2020-10-27 13:50:25,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:50:25,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 13:50:25,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723481954] [2020-10-27 13:50:25,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 13:50:25,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:50:25,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 13:50:25,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-27 13:50:25,314 INFO L87 Difference]: Start difference. First operand 1034 states and 1347 transitions. Second operand 14 states. [2020-10-27 13:50:26,131 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:50:27,789 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-27 13:50:28,669 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 13:50:29,629 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 13:50:30,505 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-27 13:50:36,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:50:36,744 INFO L93 Difference]: Finished difference Result 2164 states and 2826 transitions. [2020-10-27 13:50:36,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 13:50:36,745 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 111 [2020-10-27 13:50:36,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:50:36,752 INFO L225 Difference]: With dead ends: 2164 [2020-10-27 13:50:36,752 INFO L226 Difference]: Without dead ends: 1144 [2020-10-27 13:50:36,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-10-27 13:50:36,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-10-27 13:50:36,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1035. [2020-10-27 13:50:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-10-27 13:50:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1348 transitions. [2020-10-27 13:50:36,951 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1348 transitions. Word has length 111 [2020-10-27 13:50:36,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:50:36,953 INFO L481 AbstractCegarLoop]: Abstraction has 1035 states and 1348 transitions. [2020-10-27 13:50:36,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 13:50:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1348 transitions. [2020-10-27 13:50:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-27 13:50:36,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:50:36,958 INFO L422 BasicCegarLoop]: trace histogram [6, 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, 1, 1] [2020-10-27 13:50:36,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 13:50:36,959 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:50:36,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:50:36,959 INFO L82 PathProgramCache]: Analyzing trace with hash 739389042, now seen corresponding path program 3 times [2020-10-27 13:50:36,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:50:36,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028367447] [2020-10-27 13:50:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:50:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:37,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:37,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5178 [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 13:50:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:50:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,298 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:50:43,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:50:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:43,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:43,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:50:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:50:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:43,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:43,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:50:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:50:43,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:43,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:50:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:50:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 13:50:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 13:50:43,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:50:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 13:50:43,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:50:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:50:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:50:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:50:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:50:43,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 13:50:43,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 13:50:43,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:43,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:43,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:50:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:43,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:43,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:50:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:43,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:43,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:50:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:43,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:43,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:50:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:43,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:43,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 13:50:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:44,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:44,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:44,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:44,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:50:44,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 13:50:44,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028367447] [2020-10-27 13:50:44,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:50:44,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 13:50:44,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178369181] [2020-10-27 13:50:44,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 13:50:44,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:50:44,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 13:50:44,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-27 13:50:44,026 INFO L87 Difference]: Start difference. First operand 1035 states and 1348 transitions. Second operand 15 states. [2020-10-27 13:50:44,846 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:50:46,625 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2020-10-27 13:50:47,433 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 13:50:48,262 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 13:50:49,109 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-27 13:50:50,007 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-27 13:50:56,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:50:56,876 INFO L93 Difference]: Finished difference Result 2166 states and 2828 transitions. [2020-10-27 13:50:56,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 13:50:56,877 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 113 [2020-10-27 13:50:56,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:50:56,885 INFO L225 Difference]: With dead ends: 2166 [2020-10-27 13:50:56,885 INFO L226 Difference]: Without dead ends: 1145 [2020-10-27 13:50:56,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-27 13:50:56,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-27 13:50:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1036. [2020-10-27 13:50:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2020-10-27 13:50:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1349 transitions. [2020-10-27 13:50:57,068 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1349 transitions. Word has length 113 [2020-10-27 13:50:57,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:50:57,068 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1349 transitions. [2020-10-27 13:50:57,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 13:50:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1349 transitions. [2020-10-27 13:50:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-27 13:50:57,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:50:57,072 INFO L422 BasicCegarLoop]: trace histogram [8, 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, 1, 1] [2020-10-27 13:50:57,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 13:50:57,073 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:50:57,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:50:57,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1909956502, now seen corresponding path program 4 times [2020-10-27 13:50:57,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:50:57,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009017763] [2020-10-27 13:50:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:50:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:57,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:57,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:58,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:58,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 13:50:58,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:50:58,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1509 [2020-10-27 13:50:58,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:50:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 13:50:58,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 13:50:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,532 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:50:59,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:50:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:59,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:59,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:50:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:59,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:50:59,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:50:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:59,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:59,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:50:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:50:59,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:59,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:50:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:50:59,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:50:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 13:50:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:50:59,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 13:50:59,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 13:50:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:50:59,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 13:50:59,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 13:50:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:59,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:59,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:50:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:59,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:59,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:50:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:59,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:59,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:50:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:50:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:50:59,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:59,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:59,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:50:59,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:59,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:59,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:51:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:00,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:00,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:00,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:00,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:00,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:00,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:00,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:00,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:00,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:00,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:00,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 13:51:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:00,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:00,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:00,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:51:00,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:00,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:51:00,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:00,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:00,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:00,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:00,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:00,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:00,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:00,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:00,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 13:51:00,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009017763] [2020-10-27 13:51:00,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:51:00,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 13:51:00,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008727450] [2020-10-27 13:51:00,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 13:51:00,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:51:00,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 13:51:00,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-27 13:51:00,105 INFO L87 Difference]: Start difference. First operand 1036 states and 1349 transitions. Second operand 11 states. [2020-10-27 13:51:00,883 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:51:02,210 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2020-10-27 13:51:03,150 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 13:51:10,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:51:10,263 INFO L93 Difference]: Finished difference Result 2527 states and 3329 transitions. [2020-10-27 13:51:10,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 13:51:10,264 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 115 [2020-10-27 13:51:10,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:51:10,273 INFO L225 Difference]: With dead ends: 2527 [2020-10-27 13:51:10,273 INFO L226 Difference]: Without dead ends: 1518 [2020-10-27 13:51:10,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-10-27 13:51:10,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2020-10-27 13:51:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1363. [2020-10-27 13:51:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-10-27 13:51:10,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1759 transitions. [2020-10-27 13:51:10,602 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1759 transitions. Word has length 115 [2020-10-27 13:51:10,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:51:10,602 INFO L481 AbstractCegarLoop]: Abstraction has 1363 states and 1759 transitions. [2020-10-27 13:51:10,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 13:51:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1759 transitions. [2020-10-27 13:51:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 13:51:10,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:51:10,613 INFO L422 BasicCegarLoop]: trace histogram [8, 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] [2020-10-27 13:51:10,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 13:51:10,614 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:51:10,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:51:10,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2076154125, now seen corresponding path program 1 times [2020-10-27 13:51:10,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:51:10,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858277938] [2020-10-27 13:51:10,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:51:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:10,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:12,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:15,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5116 [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 13:51:15,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:16,712 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:51:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:51:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-27 13:51:17,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:17,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:17,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:51:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:17,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:51:17,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:51:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:17,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:51:17,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:51:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:51:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:51:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:51:17,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:51:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 13:51:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:51:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:51:17,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:51:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:51:17,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 13:51:17,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 13:51:17,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 13:51:17,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:17,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 13:51:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 13:51:17,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 13:51:17,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 13:51:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:17,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:51:17,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 13:51:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:17,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:17,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 13:51:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:51:17,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 13:51:17,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 13:51:17,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:17,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:17,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:51:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:51:17,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:51:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:51:17,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:51:17,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:17,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:51:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:17,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 13:51:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:51:17,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:51:17,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:51:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:17,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:17,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:17,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:17,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:17,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:51:17,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:17,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:17,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-27 13:51:17,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858277938] [2020-10-27 13:51:17,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:51:17,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 13:51:17,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786408892] [2020-10-27 13:51:17,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 13:51:17,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:51:17,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 13:51:17,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-27 13:51:17,801 INFO L87 Difference]: Start difference. First operand 1363 states and 1759 transitions. Second operand 14 states. [2020-10-27 13:51:18,645 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:51:21,351 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2020-10-27 13:51:22,900 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2020-10-27 13:51:24,112 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-27 13:51:25,411 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2020-10-27 13:51:35,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:51:35,600 INFO L93 Difference]: Finished difference Result 4292 states and 5519 transitions. [2020-10-27 13:51:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 13:51:35,601 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2020-10-27 13:51:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:51:35,616 INFO L225 Difference]: With dead ends: 4292 [2020-10-27 13:51:35,616 INFO L226 Difference]: Without dead ends: 2942 [2020-10-27 13:51:35,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=217, Invalid=713, Unknown=0, NotChecked=0, Total=930 [2020-10-27 13:51:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2020-10-27 13:51:36,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2500. [2020-10-27 13:51:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2500 states. [2020-10-27 13:51:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3231 transitions. [2020-10-27 13:51:36,040 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3231 transitions. Word has length 157 [2020-10-27 13:51:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:51:36,040 INFO L481 AbstractCegarLoop]: Abstraction has 2500 states and 3231 transitions. [2020-10-27 13:51:36,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 13:51:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3231 transitions. [2020-10-27 13:51:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-27 13:51:36,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:51:36,047 INFO L422 BasicCegarLoop]: trace histogram [8, 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] [2020-10-27 13:51:36,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 13:51:36,047 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:51:36,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:51:36,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1356080522, now seen corresponding path program 1 times [2020-10-27 13:51:36,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:51:36,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129954896] [2020-10-27 13:51:36,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:51:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:36,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:36,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1240 [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 13:51:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,314 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:51:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:51:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:38,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-27 13:51:38,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:51:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:38,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:38,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:51:38,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:51:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:38,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:38,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:51:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:51:38,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:38,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:51:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:51:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:51:38,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 13:51:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:51:38,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:51:38,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:51:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 13:51:38,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 13:51:38,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:38,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:38,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 13:51:38,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:51:38,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:51:38,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:51:38,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:38,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:38,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 13:51:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 13:51:38,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 13:51:38,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:51:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 13:51:38,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:38,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:38,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:38,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:38,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:38,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 13:51:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:38,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:38,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:38,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:38,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:38,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:38,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:38,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 13:51:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:51:39,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 13:51:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:51:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 13:51:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:39,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:39,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:39,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:39,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:51:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:39,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:39,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:51:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:51:39,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:39,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:39,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:39,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:51:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 13:51:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:51:39,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:51:39,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:51:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:39,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:39,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:39,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:39,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-27 13:51:39,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129954896] [2020-10-27 13:51:39,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:51:39,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 13:51:39,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705200932] [2020-10-27 13:51:39,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 13:51:39,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:51:39,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 13:51:39,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-27 13:51:39,353 INFO L87 Difference]: Start difference. First operand 2500 states and 3231 transitions. Second operand 13 states. [2020-10-27 13:51:40,214 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:51:42,556 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2020-10-27 13:51:43,571 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 13:51:48,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:51:48,207 INFO L93 Difference]: Finished difference Result 4038 states and 5242 transitions. [2020-10-27 13:51:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 13:51:48,208 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 184 [2020-10-27 13:51:48,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:51:48,215 INFO L225 Difference]: With dead ends: 4038 [2020-10-27 13:51:48,215 INFO L226 Difference]: Without dead ends: 1464 [2020-10-27 13:51:48,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2020-10-27 13:51:48,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2020-10-27 13:51:48,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1348. [2020-10-27 13:51:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2020-10-27 13:51:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1754 transitions. [2020-10-27 13:51:48,428 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1754 transitions. Word has length 184 [2020-10-27 13:51:48,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:51:48,430 INFO L481 AbstractCegarLoop]: Abstraction has 1348 states and 1754 transitions. [2020-10-27 13:51:48,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 13:51:48,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1754 transitions. [2020-10-27 13:51:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-27 13:51:48,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:51:48,436 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 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] [2020-10-27 13:51:48,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 13:51:48,436 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:51:48,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:51:48,437 INFO L82 PathProgramCache]: Analyzing trace with hash -208124447, now seen corresponding path program 1 times [2020-10-27 13:51:48,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:51:48,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521014420] [2020-10-27 13:51:48,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:51:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:48,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:51,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:51,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 13:51:51,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:51:51,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2484 [2020-10-27 13:51:51,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 13:51:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 13:51:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 13:51:51,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:51,991 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-27 13:51:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:51:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 13:51:52,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:52,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 13:51:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:52,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:52,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:51:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:52,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:52,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 13:51:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:51:52,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:51:52,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 13:51:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:51:52,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:51:52,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 13:51:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 13:51:52,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:51:52,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:51:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 13:51:52,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 13:51:52,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 13:51:52,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 13:51:52,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:51:52,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:52,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:51:52,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:52,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:52,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 13:51:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 13:51:52,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 13:51:52,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:51:52,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 13:51:52,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:52,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:52,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:52,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:52,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 13:51:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:52,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 13:51:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 13:51:52,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 13:51:52,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:51:52,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 13:51:52,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:51:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:52,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 13:51:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 13:51:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 13:51:52,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 13:51:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:51:52,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 13:51:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 13:51:52,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:51:52,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 13:51:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:51:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:51:52,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:51:52,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:51:52,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:52,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 13:51:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:52,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:52,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-10-27 13:51:53,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521014420] [2020-10-27 13:51:53,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:51:53,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 13:51:53,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501319266] [2020-10-27 13:51:53,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 13:51:53,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:51:53,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 13:51:53,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-10-27 13:51:53,010 INFO L87 Difference]: Start difference. First operand 1348 states and 1754 transitions. Second operand 15 states. [2020-10-27 13:51:53,927 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2020-10-27 13:51:55,355 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2020-10-27 13:51:56,309 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-27 13:51:58,168 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2020-10-27 13:52:00,263 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2020-10-27 13:52:21,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:52:21,320 INFO L93 Difference]: Finished difference Result 4252 states and 5530 transitions. [2020-10-27 13:52:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-27 13:52:21,321 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 188 [2020-10-27 13:52:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:52:21,339 INFO L225 Difference]: With dead ends: 4252 [2020-10-27 13:52:21,339 INFO L226 Difference]: Without dead ends: 4228 [2020-10-27 13:52:21,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=555, Invalid=1797, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 13:52:21,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2020-10-27 13:52:21,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 3699. [2020-10-27 13:52:21,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3699 states. [2020-10-27 13:52:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3699 states and 4862 transitions. [2020-10-27 13:52:21,898 INFO L78 Accepts]: Start accepts. Automaton has 3699 states and 4862 transitions. Word has length 188 [2020-10-27 13:52:21,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:52:21,899 INFO L481 AbstractCegarLoop]: Abstraction has 3699 states and 4862 transitions. [2020-10-27 13:52:21,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 13:52:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 4862 transitions. [2020-10-27 13:52:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-27 13:52:21,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:52:21,911 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 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, 1, 1] [2020-10-27 13:52:21,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 13:52:21,911 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:52:21,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:52:21,912 INFO L82 PathProgramCache]: Analyzing trace with hash 898245132, now seen corresponding path program 1 times [2020-10-27 13:52:21,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:52:21,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524844423] [2020-10-27 13:52:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:52:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:22,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking...