/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 21:42:08,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:42:08,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:42:08,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:42:08,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:42:08,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:42:08,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:42:08,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:42:08,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:42:08,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:42:08,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:42:08,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:42:08,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:42:08,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:42:08,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:42:08,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:42:08,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:42:08,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:42:08,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:42:08,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:42:08,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:42:08,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:42:08,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:42:08,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:42:08,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:42:08,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:42:08,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:42:08,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:42:08,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:42:08,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-28 21:42:08,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:42:08,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:42:08,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:42:08,372 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 [2020-10-28 21:42:08,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:42:08,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:42:08,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:42:08,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:42:08,421 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:42:08,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:42:08,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:42:08,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:42:08,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:42:08,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:42:08,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:42:08,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:42:08,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:42:08,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:42:08,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:42:08,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:42:08,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:42:08,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:42:08,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:42:08,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:42:08,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:42:08,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:42:08,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:42:08,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:42:08,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:42:08,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:42:08,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:42:08,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:42:08,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:42:08,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:42:08,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:42:08,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:42:08,897 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:42:08,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-28 21:42:08,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/173d1d924/3dc62cf265ee46f698e50946acf61b53/FLAGdb3f19cd5 [2020-10-28 21:42:09,817 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:42:09,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-28 21:42:09,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/173d1d924/3dc62cf265ee46f698e50946acf61b53/FLAGdb3f19cd5 [2020-10-28 21:42:09,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/173d1d924/3dc62cf265ee46f698e50946acf61b53 [2020-10-28 21:42:09,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:42:09,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:42:09,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:42:09,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:42:09,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:42:09,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:09" (1/1) ... [2020-10-28 21:42:09,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a8524d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:09, skipping insertion in model container [2020-10-28 21:42:09,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:09" (1/1) ... [2020-10-28 21:42:09,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:42:10,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:42:11,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:42:11,397 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:42:11,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:42:12,150 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:42:12,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12 WrapperNode [2020-10-28 21:42:12,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:42:12,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:42:12,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:42:12,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:42:12,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... [2020-10-28 21:42:12,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... [2020-10-28 21:42:12,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... [2020-10-28 21:42:12,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... [2020-10-28 21:42:12,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... [2020-10-28 21:42:12,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... [2020-10-28 21:42:12,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... [2020-10-28 21:42:12,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:42:12,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:42:12,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:42:12,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:42:12,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:42:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:42:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:42:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-28 21:42:12,639 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:42:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 21:42:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 21:42:12,640 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 21:42:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 21:42:12,641 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-28 21:42:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 21:42:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-28 21:42:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2020-10-28 21:42:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-28 21:42:12,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 21:42:12,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 21:42:12,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-28 21:42:12,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 21:42:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-28 21:42:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-28 21:42:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-28 21:42:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 21:42:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-28 21:42:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-28 21:42:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-28 21:42:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 21:42:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 21:42:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:42:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:42:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:42:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:42:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-28 21:42:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-28 21:42:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-28 21:42:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2020-10-28 21:42:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2020-10-28 21:42:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2020-10-28 21:42:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2020-10-28 21:42:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2020-10-28 21:42:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2020-10-28 21:42:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2020-10-28 21:42:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2020-10-28 21:42:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-28 21:42:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2020-10-28 21:42:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2020-10-28 21:42:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2020-10-28 21:42:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2020-10-28 21:42:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2020-10-28 21:42:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2020-10-28 21:42:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2020-10-28 21:42:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2020-10-28 21:42:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2020-10-28 21:42:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2020-10-28 21:42:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2020-10-28 21:42:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2020-10-28 21:42:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2020-10-28 21:42:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2020-10-28 21:42:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2020-10-28 21:42:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2020-10-28 21:42:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2020-10-28 21:42:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2020-10-28 21:42:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2020-10-28 21:42:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2020-10-28 21:42:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2020-10-28 21:42:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2020-10-28 21:42:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2020-10-28 21:42:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2020-10-28 21:42:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2020-10-28 21:42:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2020-10-28 21:42:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2020-10-28 21:42:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2020-10-28 21:42:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2020-10-28 21:42:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2020-10-28 21:42:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2020-10-28 21:42:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2020-10-28 21:42:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2020-10-28 21:42:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2020-10-28 21:42:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2020-10-28 21:42:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2020-10-28 21:42:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:42:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 21:42:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 21:42:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 21:42:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-28 21:42:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-28 21:42:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-28 21:42:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 21:42:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2020-10-28 21:42:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-28 21:42:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-28 21:42:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-28 21:42:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2020-10-28 21:42:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-28 21:42:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 21:42:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 21:42:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:42:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:42:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 21:42:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 21:42:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:42:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 21:42:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 21:42:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:42:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:42:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:42:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:42:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:42:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:42:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:42:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-28 21:42:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-28 21:42:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-28 21:42:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-28 21:42:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-28 21:42:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-28 21:42:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-28 21:42:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:42:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:42:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 21:42:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 21:42:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 21:42:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-28 21:42:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-28 21:42:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 21:42:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 21:42:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-28 21:42:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 21:42:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-28 21:42:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-28 21:42:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 21:42:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 21:42:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2020-10-28 21:42:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-28 21:42:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2020-10-28 21:42:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-28 21:42:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2020-10-28 21:42:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2020-10-28 21:42:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2020-10-28 21:42:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2020-10-28 21:42:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-28 21:42:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2020-10-28 21:42:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-28 21:42:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-28 21:42:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2020-10-28 21:42:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 21:42:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-28 21:42:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-28 21:42:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 21:42:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-28 21:42:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-28 21:42:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-28 21:42:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2020-10-28 21:42:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-28 21:42:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-28 21:42:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:42:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 21:42:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 21:42:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:42:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:42:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:42:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:42:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:42:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:42:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 21:42:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 21:42:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 21:42:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:42:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 21:42:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:42:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 21:42:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 21:42:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 21:42:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2020-10-28 21:42:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-28 21:42:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 21:42:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 21:42:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2020-10-28 21:42:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-28 21:42:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-28 21:42:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 21:42:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 21:42:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 21:42:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-28 21:42:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 21:42:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 21:42:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-28 21:42:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 21:42:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-28 21:42:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-28 21:42:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-28 21:42:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-28 21:42:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-28 21:42:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2020-10-28 21:42:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-28 21:42:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2020-10-28 21:42:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 21:42:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 21:42:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 21:42:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 21:42:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 21:42:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 21:42:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 21:42:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 21:42:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-28 21:42:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-28 21:42:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-28 21:42:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2020-10-28 21:42:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-28 21:42:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 21:42:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 21:42:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-28 21:42:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 21:42:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-28 21:42:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 21:42:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 21:42:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-28 21:42:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 21:42:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-28 21:42:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-28 21:42:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 21:42:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-28 21:42:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-28 21:42:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-28 21:42:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-28 21:42:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 21:42:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-28 21:42:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-28 21:42:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 21:42:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-28 21:42:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-28 21:42:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:42:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-28 21:42:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-28 21:42:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-28 21:42:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:42:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:42:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 21:42:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:42:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 21:42:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:42:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:42:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:42:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:42:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:42:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:42:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-28 21:42:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-28 21:42:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 21:42:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 21:42:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-28 21:42:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-28 21:42:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-28 21:42:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-28 21:42:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-28 21:42:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-28 21:42:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-28 21:42:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2020-10-28 21:42:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2020-10-28 21:42:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2020-10-28 21:42:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2020-10-28 21:42:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2020-10-28 21:42:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2020-10-28 21:42:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2020-10-28 21:42:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2020-10-28 21:42:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2020-10-28 21:42:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2020-10-28 21:42:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2020-10-28 21:42:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2020-10-28 21:42:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-28 21:42:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2020-10-28 21:42:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2020-10-28 21:42:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2020-10-28 21:42:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2020-10-28 21:42:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2020-10-28 21:42:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2020-10-28 21:42:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2020-10-28 21:42:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2020-10-28 21:42:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2020-10-28 21:42:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2020-10-28 21:42:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2020-10-28 21:42:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2020-10-28 21:42:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2020-10-28 21:42:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2020-10-28 21:42:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2020-10-28 21:42:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2020-10-28 21:42:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2020-10-28 21:42:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2020-10-28 21:42:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2020-10-28 21:42:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2020-10-28 21:42:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2020-10-28 21:42:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2020-10-28 21:42:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 21:42:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2020-10-28 21:42:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2020-10-28 21:42:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2020-10-28 21:42:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2020-10-28 21:42:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:42:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 21:42:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:42:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-28 21:42:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:42:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 21:42:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 21:42:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:42:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:42:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:42:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:42:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:42:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 21:42:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 21:42:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 21:42:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 21:42:23,780 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:42:23,780 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 21:42:23,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:23 BoogieIcfgContainer [2020-10-28 21:42:23,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:42:23,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:42:23,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:42:23,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:42:23,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:42:09" (1/3) ... [2020-10-28 21:42:23,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e777a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:42:23, skipping insertion in model container [2020-10-28 21:42:23,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:12" (2/3) ... [2020-10-28 21:42:23,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e777a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:42:23, skipping insertion in model container [2020-10-28 21:42:23,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:23" (3/3) ... [2020-10-28 21:42:23,797 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-28 21:42:23,815 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:42:23,823 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:42:23,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:42:23,885 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:42:23,886 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:42:23,886 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:42:23,886 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:42:23,886 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:42:23,886 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:42:23,886 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:42:23,886 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:42:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states. [2020-10-28 21:42:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 21:42:23,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:42:23,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:42:23,949 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:42:23,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:42:23,955 INFO L82 PathProgramCache]: Analyzing trace with hash 771938292, now seen corresponding path program 1 times [2020-10-28 21:42:23,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:42:23,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054337850] [2020-10-28 21:42:23,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:42:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:24,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:24,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 21:42:24,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:24,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-28 21:42:24,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:24,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:42:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 21:42:24,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 21:42:25,285 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:42:25,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:42:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:25,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:25,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:25,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:25,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 21:42:25,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:25,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:42:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:42:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:25,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:42:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:25,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:25,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:25,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:25,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:25,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 21:42:25,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:25,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:25,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:42:25,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:25,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:42:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:25,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:25,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:25,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:42:25,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:42:25,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:25,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:42:25,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:25,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:42:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:25,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:25,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:25,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:42:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:25,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 21:42:25,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:25,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:42:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:25,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:42:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:25,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:25,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:25,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:25,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:42:25,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:25,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:42:25,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:25,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:42:25,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:42:25,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054337850] [2020-10-28 21:42:25,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:42:25,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:42:25,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881350219] [2020-10-28 21:42:25,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:42:25,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:42:25,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:42:25,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:42:25,641 INFO L87 Difference]: Start difference. First operand 1139 states. Second operand 5 states. [2020-10-28 21:42:25,983 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 21:42:37,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:42:37,528 INFO L93 Difference]: Finished difference Result 2069 states and 2781 transitions. [2020-10-28 21:42:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:42:37,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-28 21:42:37,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:42:37,561 INFO L225 Difference]: With dead ends: 2069 [2020-10-28 21:42:37,561 INFO L226 Difference]: Without dead ends: 1145 [2020-10-28 21:42:37,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:42:37,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-28 21:42:37,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 926. [2020-10-28 21:42:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-10-28 21:42:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1186 transitions. [2020-10-28 21:42:37,940 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1186 transitions. Word has length 30 [2020-10-28 21:42:37,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:42:37,942 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1186 transitions. [2020-10-28 21:42:37,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:42:37,942 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1186 transitions. [2020-10-28 21:42:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-28 21:42:37,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:42:37,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:42:37,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:42:37,945 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:42:37,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:42:37,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1862768099, now seen corresponding path program 1 times [2020-10-28 21:42:37,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:42:37,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313258292] [2020-10-28 21:42:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:42:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:38,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:38,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:38,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-28 21:42:38,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:38,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-28 21:42:38,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:38,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:42:38,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 21:42:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:38,502 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:42:38,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:42:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:38,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:38,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:38,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:38,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:38,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 21:42:38,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:38,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:42:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:38,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:42:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:42:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:38,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:38,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:38,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:38,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:42:38,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:38,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:42:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:38,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:42:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:38,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:42:38,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:42:38,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:38,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:42:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:38,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:42:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:38,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:38,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:38,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:42:38,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:38,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:42:38,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:38,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:38,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:42:38,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:38,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:42:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:38,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:38,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:38,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:38,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:42:38,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:38,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:38,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:42:38,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:38,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:42:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:42:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:42:38,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313258292] [2020-10-28 21:42:38,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:42:38,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:42:38,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985927568] [2020-10-28 21:42:38,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:42:38,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:42:38,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:42:38,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:42:38,661 INFO L87 Difference]: Start difference. First operand 926 states and 1186 transitions. Second operand 5 states. [2020-10-28 21:42:38,957 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 21:42:49,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:42:49,991 INFO L93 Difference]: Finished difference Result 1149 states and 1536 transitions. [2020-10-28 21:42:49,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:42:49,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-28 21:42:49,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:42:50,005 INFO L225 Difference]: With dead ends: 1149 [2020-10-28 21:42:50,006 INFO L226 Difference]: Without dead ends: 1144 [2020-10-28 21:42:50,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:42:50,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-10-28 21:42:50,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 925. [2020-10-28 21:42:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-10-28 21:42:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1184 transitions. [2020-10-28 21:42:50,130 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1184 transitions. Word has length 31 [2020-10-28 21:42:50,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:42:50,131 INFO L481 AbstractCegarLoop]: Abstraction has 925 states and 1184 transitions. [2020-10-28 21:42:50,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:42:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1184 transitions. [2020-10-28 21:42:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-28 21:42:50,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:42:50,132 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:42:50,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:42:50,133 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:42:50,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:42:50,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1323430935, now seen corresponding path program 1 times [2020-10-28 21:42:50,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:42:50,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238677057] [2020-10-28 21:42:50,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:42:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:50,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:50,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:50,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 21:42:50,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:50,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-28 21:42:50,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:50,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 21:42:50,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 21:42:50,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:50,595 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:42:50,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:42:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:50,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:50,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:50,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 21:42:50,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:50,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:42:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:42:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:42:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:50,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:50,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:50,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:50,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:50,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:42:50,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:50,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:50,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:42:50,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:42:50,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:42:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:50,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:50,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:50,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:42:50,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:50,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 21:42:50,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:50,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:42:50,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:50,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:42:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:50,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:50,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:50,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:42:50,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:42:50,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:50,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:42:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:42:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:50,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:42:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:42:50,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:42:50,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:42:50,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:42:50,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:42:50,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:42:50,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:42:50,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:42:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:42:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:42:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:42:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:42:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:42:50,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238677057] [2020-10-28 21:42:50,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:42:50,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:42:50,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572445121] [2020-10-28 21:42:50,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:42:50,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:42:50,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:42:50,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:42:50,794 INFO L87 Difference]: Start difference. First operand 925 states and 1184 transitions. Second operand 5 states. [2020-10-28 21:42:51,083 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 21:43:11,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:43:11,461 INFO L93 Difference]: Finished difference Result 2793 states and 3644 transitions. [2020-10-28 21:43:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:43:11,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-28 21:43:11,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:43:11,476 INFO L225 Difference]: With dead ends: 2793 [2020-10-28 21:43:11,476 INFO L226 Difference]: Without dead ends: 1877 [2020-10-28 21:43:11,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:43:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2020-10-28 21:43:11,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1756. [2020-10-28 21:43:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1756 states. [2020-10-28 21:43:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2277 transitions. [2020-10-28 21:43:11,753 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2277 transitions. Word has length 32 [2020-10-28 21:43:11,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:43:11,754 INFO L481 AbstractCegarLoop]: Abstraction has 1756 states and 2277 transitions. [2020-10-28 21:43:11,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:43:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2277 transitions. [2020-10-28 21:43:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 21:43:11,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:43:11,768 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 21:43:11,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 21:43:11,768 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:43:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:43:11,769 INFO L82 PathProgramCache]: Analyzing trace with hash 922444471, now seen corresponding path program 1 times [2020-10-28 21:43:11,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:43:11,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408868242] [2020-10-28 21:43:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:43:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:11,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:12,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:12,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:12,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 21:43:12,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:43:12,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-28 21:43:12,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:12,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 21:43:12,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 21:43:12,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:13,105 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:43:13,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:43:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:13,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 21:43:13,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:43:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:13,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 21:43:13,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:43:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:13,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:43:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:43:13,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:43:13,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:43:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:13,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:43:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:43:13,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 21:43:13,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:43:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:13,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:43:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:13,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 21:43:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:43:13,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:43:13,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 21:43:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 21:43:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:43:13,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 21:43:13,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 21:43:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:13,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:13,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:43:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:43:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:13,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:43:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:13,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:13,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:13,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:43:13,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:43:13,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:13,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 21:43:13,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408868242] [2020-10-28 21:43:13,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:43:13,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 21:43:13,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627985469] [2020-10-28 21:43:13,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 21:43:13,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:43:13,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 21:43:13,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 21:43:13,391 INFO L87 Difference]: Start difference. First operand 1756 states and 2277 transitions. Second operand 6 states. [2020-10-28 21:43:30,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:43:30,499 INFO L93 Difference]: Finished difference Result 3662 states and 4795 transitions. [2020-10-28 21:43:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 21:43:30,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-10-28 21:43:30,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:43:30,517 INFO L225 Difference]: With dead ends: 3662 [2020-10-28 21:43:30,518 INFO L226 Difference]: Without dead ends: 1928 [2020-10-28 21:43:30,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-28 21:43:30,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2020-10-28 21:43:30,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1812. [2020-10-28 21:43:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1812 states. [2020-10-28 21:43:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1812 states and 2372 transitions. [2020-10-28 21:43:30,725 INFO L78 Accepts]: Start accepts. Automaton has 1812 states and 2372 transitions. Word has length 65 [2020-10-28 21:43:30,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:43:30,725 INFO L481 AbstractCegarLoop]: Abstraction has 1812 states and 2372 transitions. [2020-10-28 21:43:30,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 21:43:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2372 transitions. [2020-10-28 21:43:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-28 21:43:30,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:43:30,728 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 21:43:30,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 21:43:30,729 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:43:30,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:43:30,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1574730120, now seen corresponding path program 1 times [2020-10-28 21:43:30,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:43:30,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416006846] [2020-10-28 21:43:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:43:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:30,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:31,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:31,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 21:43:31,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:31,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 931 [2020-10-28 21:43:31,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:31,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:31,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:43:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 21:43:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 21:43:31,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:31,997 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:43:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:43:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:32,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 21:43:32,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:32,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:43:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:32,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:43:32,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:32,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:32,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:43:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:43:32,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:43:32,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:43:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:43:32,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:43:32,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:32,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:32,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:32,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:43:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:32,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:43:32,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:32,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:32,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 21:43:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:43:32,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:43:32,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:32,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:43:32,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 21:43:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:43:32,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 21:43:32,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 21:43:32,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:32,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:43:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:43:32,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:43:32,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:43:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:43:32,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:32,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:43:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:43:32,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:43:32,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:43:32,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:43:32,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:43:32,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 21:43:32,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:43:32,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:43:32,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:43:32,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:43:32,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:43:32,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:43:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 21:43:32,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416006846] [2020-10-28 21:43:32,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:43:32,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 21:43:32,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137349658] [2020-10-28 21:43:32,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 21:43:32,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:43:32,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 21:43:32,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 21:43:32,336 INFO L87 Difference]: Start difference. First operand 1812 states and 2372 transitions. Second operand 6 states. [2020-10-28 21:43:33,493 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 21:44:01,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:44:01,589 INFO L93 Difference]: Finished difference Result 3715 states and 4880 transitions. [2020-10-28 21:44:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:44:01,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-10-28 21:44:01,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:44:01,603 INFO L225 Difference]: With dead ends: 3715 [2020-10-28 21:44:01,604 INFO L226 Difference]: Without dead ends: 1925 [2020-10-28 21:44:01,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-28 21:44:01,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2020-10-28 21:44:01,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1794. [2020-10-28 21:44:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2020-10-28 21:44:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2315 transitions. [2020-10-28 21:44:01,864 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2315 transitions. Word has length 75 [2020-10-28 21:44:01,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:44:01,865 INFO L481 AbstractCegarLoop]: Abstraction has 1794 states and 2315 transitions. [2020-10-28 21:44:01,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 21:44:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2315 transitions. [2020-10-28 21:44:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 21:44:01,869 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:44:01,869 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 21:44:01,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 21:44:01,870 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:44:01,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:44:01,870 INFO L82 PathProgramCache]: Analyzing trace with hash 677151466, now seen corresponding path program 1 times [2020-10-28 21:44:01,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:44:01,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20601184] [2020-10-28 21:44:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:44:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:01,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:02,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:02,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 21:44:02,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 732 [2020-10-28 21:44:02,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:02,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:44:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-28 21:44:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:44:02,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:02,934 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:44:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:44:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:02,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:03,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 21:44:03,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:44:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:03,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:44:03,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:03,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:44:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:03,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:44:03,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:44:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:44:03,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:44:03,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:03,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:03,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:44:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:03,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 21:44:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:03,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:44:03,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:03,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 21:44:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:03,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 21:44:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:44:03,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 21:44:03,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 21:44:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 21:44:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:03,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:03,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:44:03,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:03,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:03,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:44:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:03,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:03,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:03,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:44:03,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:03,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 21:44:03,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:03,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:03,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 21:44:03,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:03,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 21:44:03,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 21:44:03,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20601184] [2020-10-28 21:44:03,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:44:03,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 21:44:03,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850318935] [2020-10-28 21:44:03,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 21:44:03,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:44:03,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 21:44:03,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 21:44:03,333 INFO L87 Difference]: Start difference. First operand 1794 states and 2315 transitions. Second operand 10 states. [2020-10-28 21:44:04,362 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-28 21:44:04,663 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-28 21:44:04,926 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-28 21:44:18,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:44:18,865 INFO L93 Difference]: Finished difference Result 2082 states and 2664 transitions. [2020-10-28 21:44:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 21:44:18,866 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 81 [2020-10-28 21:44:18,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:44:18,877 INFO L225 Difference]: With dead ends: 2082 [2020-10-28 21:44:18,877 INFO L226 Difference]: Without dead ends: 1657 [2020-10-28 21:44:18,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-28 21:44:18,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-28 21:44:19,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1535. [2020-10-28 21:44:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2020-10-28 21:44:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1934 transitions. [2020-10-28 21:44:19,052 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1934 transitions. Word has length 81 [2020-10-28 21:44:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:44:19,053 INFO L481 AbstractCegarLoop]: Abstraction has 1535 states and 1934 transitions. [2020-10-28 21:44:19,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 21:44:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1934 transitions. [2020-10-28 21:44:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 21:44:19,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:44:19,057 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-28 21:44:19,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 21:44:19,057 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:44:19,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:44:19,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1314300407, now seen corresponding path program 1 times [2020-10-28 21:44:19,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:44:19,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314068397] [2020-10-28 21:44:19,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:44:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:19,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:19,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 21:44:19,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:19,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-10-28 21:44:19,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:19,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:44:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 21:44:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:44:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,101 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:44:20,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:44:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:20,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 21:44:20,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:44:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:20,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:20,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:44:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:20,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:20,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:44:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:44:20,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:44:20,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:20,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:44:20,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:20,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 21:44:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:20,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:20,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:20,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 21:44:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 21:44:20,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-28 21:44:20,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:44:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 21:44:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:44:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 21:44:20,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-28 21:44:20,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:44:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 21:44:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:44:20,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:44:20,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 21:44:20,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 21:44:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 21:44:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:20,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:20,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:44:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:44:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 21:44:20,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 21:44:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 21:44:20,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 21:44:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:20,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:20,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 21:44:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 21:44:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 21:44:20,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:44:20,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 21:44:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:44:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:20,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:20,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:20,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:20,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:20,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:20,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:20,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:20,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:20,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 21:44:20,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314068397] [2020-10-28 21:44:20,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:44:20,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 21:44:20,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657918415] [2020-10-28 21:44:20,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 21:44:20,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:44:20,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 21:44:20,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-28 21:44:20,825 INFO L87 Difference]: Start difference. First operand 1535 states and 1934 transitions. Second operand 11 states. [2020-10-28 21:44:21,051 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-28 21:44:33,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:44:33,083 INFO L93 Difference]: Finished difference Result 2049 states and 2595 transitions. [2020-10-28 21:44:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 21:44:33,091 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 86 [2020-10-28 21:44:33,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:44:33,102 INFO L225 Difference]: With dead ends: 2049 [2020-10-28 21:44:33,102 INFO L226 Difference]: Without dead ends: 1722 [2020-10-28 21:44:33,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-28 21:44:33,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-10-28 21:44:33,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1523. [2020-10-28 21:44:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2020-10-28 21:44:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1918 transitions. [2020-10-28 21:44:33,343 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1918 transitions. Word has length 86 [2020-10-28 21:44:33,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:44:33,344 INFO L481 AbstractCegarLoop]: Abstraction has 1523 states and 1918 transitions. [2020-10-28 21:44:33,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 21:44:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1918 transitions. [2020-10-28 21:44:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-28 21:44:33,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:44:33,357 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:44:33,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 21:44:33,358 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:44:33,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:44:33,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2049794185, now seen corresponding path program 1 times [2020-10-28 21:44:33,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:44:33,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809229016] [2020-10-28 21:44:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:44:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:33,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:33,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 21:44:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:44:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3534 [2020-10-28 21:44:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 21:44:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 21:44:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 21:44:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,273 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:44:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:44:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:37,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 21:44:37,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:44:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:37,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:44:37,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:37,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:44:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:37,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:44:37,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:44:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:44:37,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:44:37,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:37,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:44:37,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 21:44:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:37,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:44:37,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:44:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 21:44:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 21:44:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 21:44:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 21:44:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:37,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 21:44:37,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:44:37,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:37,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:44:37,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:44:37,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:44:37,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:44:37,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:37,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:44:37,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:44:37,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:44:37,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 21:44:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:37,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:44:37,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:44:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:44:37,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 21:44:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:44:37,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:44:37,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 21:44:37,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 21:44:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:44:37,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 21:44:37,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 21:44:37,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:44:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:44:37,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:44:37,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:44:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:44:37,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:44:37,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:44:37,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:44:37,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:44:37,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:44:37,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:44:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 21:44:37,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809229016] [2020-10-28 21:44:37,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:44:37,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 21:44:37,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522353835] [2020-10-28 21:44:37,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 21:44:37,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:44:37,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 21:44:37,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-28 21:44:37,786 INFO L87 Difference]: Start difference. First operand 1523 states and 1918 transitions. Second operand 10 states. [2020-10-28 21:44:37,996 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-28 21:45:02,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:45:02,886 INFO L93 Difference]: Finished difference Result 3266 states and 4159 transitions. [2020-10-28 21:45:02,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 21:45:02,887 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-10-28 21:45:02,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:45:02,898 INFO L225 Difference]: With dead ends: 3266 [2020-10-28 21:45:02,899 INFO L226 Difference]: Without dead ends: 1760 [2020-10-28 21:45:02,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-28 21:45:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2020-10-28 21:45:03,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1528. [2020-10-28 21:45:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1528 states. [2020-10-28 21:45:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1923 transitions. [2020-10-28 21:45:03,091 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1923 transitions. Word has length 105 [2020-10-28 21:45:03,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:45:03,091 INFO L481 AbstractCegarLoop]: Abstraction has 1528 states and 1923 transitions. [2020-10-28 21:45:03,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 21:45:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1923 transitions. [2020-10-28 21:45:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-28 21:45:03,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:45:03,097 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:45:03,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 21:45:03,097 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:45:03,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:45:03,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1938566624, now seen corresponding path program 1 times [2020-10-28 21:45:03,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:45:03,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524470742] [2020-10-28 21:45:03,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:45:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:03,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:04,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:08,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 21:45:08,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:45:08,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-28 21:45:08,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:08,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:45:08,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-28 21:45:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:45:08,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:08,660 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:45:08,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:45:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:08,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:08,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:08,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:08,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 21:45:08,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:08,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:08,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:08,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:08,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:45:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:08,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:08,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:08,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:08,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:08,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:08,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:45:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:08,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:08,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:08,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:08,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:08,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:45:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:08,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:08,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:45:08,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:08,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:45:08,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:08,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:08,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:08,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:08,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:08,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:08,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:08,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:08,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:08,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:08,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 21:45:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:08,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:08,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:08,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:08,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:08,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:45:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:08,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 21:45:09,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:45:09,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-28 21:45:09,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 21:45:09,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:45:09,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:09,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:45:09,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:45:09,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:45:09,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:45:09,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:45:09,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:09,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:09,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 21:45:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:09,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 21:45:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:09,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 21:45:09,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:45:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:09,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 21:45:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:09,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 21:45:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:09,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 21:45:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:09,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 21:45:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:09,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 21:45:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:09,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:45:09,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 21:45:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:45:09,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 21:45:09,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 21:45:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 21:45:09,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:09,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:09,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:09,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:09,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:45:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:09,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:09,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:09,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:45:09,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:09,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:45:09,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:09,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:09,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 21:45:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 21:45:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 21:45:09,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524470742] [2020-10-28 21:45:09,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:45:09,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 21:45:09,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800942524] [2020-10-28 21:45:09,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 21:45:09,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:45:09,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 21:45:09,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-28 21:45:09,657 INFO L87 Difference]: Start difference. First operand 1528 states and 1923 transitions. Second operand 12 states. [2020-10-28 21:45:09,873 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-28 21:45:11,169 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 21:45:17,212 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 21:45:17,486 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 21:45:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:45:22,510 INFO L93 Difference]: Finished difference Result 1809 states and 2312 transitions. [2020-10-28 21:45:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 21:45:22,511 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-10-28 21:45:22,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:45:22,522 INFO L225 Difference]: With dead ends: 1809 [2020-10-28 21:45:22,522 INFO L226 Difference]: Without dead ends: 1701 [2020-10-28 21:45:22,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2020-10-28 21:45:22,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2020-10-28 21:45:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1479. [2020-10-28 21:45:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1479 states. [2020-10-28 21:45:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1864 transitions. [2020-10-28 21:45:22,764 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1864 transitions. Word has length 132 [2020-10-28 21:45:22,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:45:22,766 INFO L481 AbstractCegarLoop]: Abstraction has 1479 states and 1864 transitions. [2020-10-28 21:45:22,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 21:45:22,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1864 transitions. [2020-10-28 21:45:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 21:45:22,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:45:22,775 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:45:22,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 21:45:22,775 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:45:22,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:45:22,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1327471382, now seen corresponding path program 1 times [2020-10-28 21:45:22,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:45:22,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890708781] [2020-10-28 21:45:22,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:45:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:22,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:23,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:27,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:27,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-28 21:45:27,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:45:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 21:45:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:27,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 21:45:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 21:45:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-28 21:45:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:28,151 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:45:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:45:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:28,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:28,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:28,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:28,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:28,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 21:45:28,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:28,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:28,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:45:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:28,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:28,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:28,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:28,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:28,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:45:28,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:28,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:28,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:45:28,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:28,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:45:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:28,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:28,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:28,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:28,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:28,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:28,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:45:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:28,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:45:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:28,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:28,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:28,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:45:28,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:45:28,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:28,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:45:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:28,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:28,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:28,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:28,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:28,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:28,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:28,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:28,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:28,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:28,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 21:45:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:28,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:28,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:28,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:28,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:28,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:45:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:28,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:45:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:28,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 21:45:29,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:45:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-28 21:45:29,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 21:45:29,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 21:45:29,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:45:29,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:29,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:45:29,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:45:29,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:29,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:45:29,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:45:29,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:29,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:45:29,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:29,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:29,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 21:45:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:29,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 21:45:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:45:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:45:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:45:29,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 21:45:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:45:29,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 21:45:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:29,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 21:45:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:29,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:29,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 21:45:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:29,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:45:29,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 21:45:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:29,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:45:29,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 21:45:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 21:45:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:45:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 21:45:29,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 21:45:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:29,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:45:29,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:45:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:45:29,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:29,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:29,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 21:45:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:29,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:45:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:29,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:45:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:29,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 21:45:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 21:45:29,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890708781] [2020-10-28 21:45:29,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 21:45:29,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 21:45:29,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956477809] [2020-10-28 21:45:29,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 21:45:29,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:45:29,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 21:45:29,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 21:45:29,376 INFO L87 Difference]: Start difference. First operand 1479 states and 1864 transitions. Second operand 9 states. [2020-10-28 21:45:29,601 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-28 21:45:38,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:45:38,060 INFO L93 Difference]: Finished difference Result 3250 states and 4185 transitions. [2020-10-28 21:45:38,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 21:45:38,061 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 139 [2020-10-28 21:45:38,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:45:38,073 INFO L225 Difference]: With dead ends: 3250 [2020-10-28 21:45:38,073 INFO L226 Difference]: Without dead ends: 1793 [2020-10-28 21:45:38,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 21:45:38,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2020-10-28 21:45:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1523. [2020-10-28 21:45:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2020-10-28 21:45:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1937 transitions. [2020-10-28 21:45:38,286 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1937 transitions. Word has length 139 [2020-10-28 21:45:38,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:45:38,286 INFO L481 AbstractCegarLoop]: Abstraction has 1523 states and 1937 transitions. [2020-10-28 21:45:38,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 21:45:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1937 transitions. [2020-10-28 21:45:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-28 21:45:38,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:45:38,293 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:45:38,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 21:45:38,294 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:45:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:45:38,294 INFO L82 PathProgramCache]: Analyzing trace with hash 667625565, now seen corresponding path program 1 times [2020-10-28 21:45:38,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:45:38,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907136556] [2020-10-28 21:45:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:45:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:38,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:38,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:38,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:39,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:39,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:43,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-28 21:45:43,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 21:45:43,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 21:45:43,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:43,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 21:45:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 21:45:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-28 21:45:43,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:43,692 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 21:45:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:45:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:43,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:43,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:43,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 21:45:43,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:43,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:43,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:43,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:45:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:43,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:43,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:43,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:43,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:45:43,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:43,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:43,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:43,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:43,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:45:43,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:43,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 21:45:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:43,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:43,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:43,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:43,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:43,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:43,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:45:43,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:43,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:45:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:43,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:45:43,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:43,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:45:43,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:43,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:43,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 21:45:43,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:43,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:43,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:43,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:43,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:43,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:43,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:43,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:43,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:43,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 21:45:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:43,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:43,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:43,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:43,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:43,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:45:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:43,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:45:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:43,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:43,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 21:45:44,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:45:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 578 [2020-10-28 21:45:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 21:45:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 21:45:44,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 21:45:44,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:45:44,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:45:44,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:45:44,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:44,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:45:44,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:44,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:44,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 21:45:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:44,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:44,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 21:45:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:45:44,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 21:45:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:44,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:44,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 21:45:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:44,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 21:45:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:44,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 21:45:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:44,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 21:45:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:45:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 21:45:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:45:44,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 21:45:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 21:45:44,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:45:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-28 21:45:44,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 21:45:44,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:45:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 21:45:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:45:44,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:44,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:45:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:44,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:44,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:44,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:44,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:44,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:44,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:44,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:44,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:44,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:44,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:45:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:44,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:45,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:45:45,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 21:45:45,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:45,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:45,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:45,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:45,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:45,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 21:45:45,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 21:45:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:45,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:45,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:45,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:45,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:45,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 21:45:45,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:45,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:45,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:45:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:45:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-28 21:45:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:45,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:45,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:45,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:45:45,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:45,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:45:45,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:45,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:45,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 21:45:45,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:45:45,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 21:45:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:45,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:45,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:45,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 21:45:45,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:45:45,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:45,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 21:45:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:45,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:45:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:45:45,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:45:45,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:45:45,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:45:45,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:45:45,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:45:45,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:45:45,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:45:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:45:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:45:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:45:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:45:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 21:45:45,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907136556] [2020-10-28 21:45:45,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:45:45,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 21:45:45,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833172015] [2020-10-28 21:45:45,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 21:45:45,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:45:45,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 21:45:45,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-28 21:45:45,189 INFO L87 Difference]: Start difference. First operand 1523 states and 1937 transitions. Second operand 11 states. [2020-10-28 21:45:45,473 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 142