/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 19:51:44,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 19:51:44,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 19:51:44,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 19:51:44,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 19:51:44,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 19:51:44,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 19:51:44,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 19:51:44,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 19:51:44,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 19:51:44,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 19:51:44,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 19:51:44,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 19:51:44,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 19:51:44,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 19:51:44,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 19:51:44,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 19:51:44,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 19:51:44,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 19:51:44,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 19:51:44,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 19:51:44,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 19:51:44,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 19:51:44,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 19:51:44,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 19:51:44,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 19:51:44,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 19:51:44,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 19:51:44,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 19:51:44,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 19:51:44,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 19:51:44,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 19:51:44,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 19:51:44,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 19:51:44,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 19:51:44,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 19:51:44,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 19:51:44,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 19:51:44,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 19:51:44,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 19:51:44,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 19:51:44,774 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 [2020-10-13 19:51:44,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 19:51:44,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 19:51:44,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 19:51:44,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 19:51:44,799 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 19:51:44,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 19:51:44,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 19:51:44,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 19:51:44,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 19:51:44,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 19:51:44,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 19:51:44,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 19:51:44,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 19:51:44,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 19:51:44,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 19:51:44,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 19:51:44,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 19:51:44,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 19:51:44,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 19:51:44,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 19:51:44,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 19:51:44,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 19:51:44,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 19:51:44,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 19:51:44,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 19:51:44,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 19:51:44,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 19:51:44,803 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 19:51:45,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 19:51:45,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 19:51:45,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 19:51:45,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 19:51:45,125 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 19:51:45,125 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-13 19:51:45,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b22c2ac7/f66006a496b44ccda809bb6e368b0d63/FLAG1f848f504 [2020-10-13 19:51:45,905 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 19:51:45,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-13 19:51:45,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b22c2ac7/f66006a496b44ccda809bb6e368b0d63/FLAG1f848f504 [2020-10-13 19:51:45,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b22c2ac7/f66006a496b44ccda809bb6e368b0d63 [2020-10-13 19:51:45,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 19:51:45,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 19:51:45,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 19:51:45,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 19:51:45,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 19:51:45,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:45" (1/1) ... [2020-10-13 19:51:45,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dac89bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:45, skipping insertion in model container [2020-10-13 19:51:45,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:45" (1/1) ... [2020-10-13 19:51:46,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 19:51:46,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 19:51:46,593 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2020-10-13 19:51:46,593 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2705-2706] [2020-10-13 19:51:47,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:51:47,265 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 19:51:47,376 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2704] [2020-10-13 19:51:47,377 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2705-2706] [2020-10-13 19:51:47,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:51:47,719 INFO L208 MainTranslator]: Completed translation [2020-10-13 19:51:47,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47 WrapperNode [2020-10-13 19:51:47,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 19:51:47,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 19:51:47,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 19:51:47,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 19:51:47,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (1/1) ... [2020-10-13 19:51:47,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (1/1) ... [2020-10-13 19:51:47,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (1/1) ... [2020-10-13 19:51:47,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (1/1) ... [2020-10-13 19:51:47,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (1/1) ... [2020-10-13 19:51:48,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (1/1) ... [2020-10-13 19:51:48,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (1/1) ... [2020-10-13 19:51:48,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 19:51:48,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 19:51:48,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 19:51:48,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 19:51:48,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (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 [2020-10-13 19:51:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 19:51:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 19:51:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-13 19:51:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 19:51:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 19:51:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 19:51:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 19:51:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 19:51:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 19:51:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 19:51:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 19:51:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 19:51:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-10-13 19:51:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 19:51:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 19:51:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-13 19:51:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-10-13 19:51:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-10-13 19:51:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-10-13 19:51:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2020-10-13 19:51:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2020-10-13 19:51:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2020-10-13 19:51:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2020-10-13 19:51:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2020-10-13 19:51:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2020-10-13 19:51:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2020-10-13 19:51:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2020-10-13 19:51:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2020-10-13 19:51:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2020-10-13 19:51:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2020-10-13 19:51:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2020-10-13 19:51:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2020-10-13 19:51:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2020-10-13 19:51:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2020-10-13 19:51:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2020-10-13 19:51:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2020-10-13 19:51:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2020-10-13 19:51:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2020-10-13 19:51:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2020-10-13 19:51:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2020-10-13 19:51:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2020-10-13 19:51:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2020-10-13 19:51:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2020-10-13 19:51:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2020-10-13 19:51:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2020-10-13 19:51:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2020-10-13 19:51:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-13 19:51:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-13 19:51:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-13 19:51:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-13 19:51:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2020-10-13 19:51:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-13 19:51:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2020-10-13 19:51:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2020-10-13 19:51:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 19:51:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2020-10-13 19:51:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-13 19:51:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2020-10-13 19:51:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2020-10-13 19:51:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2020-10-13 19:51:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-13 19:51:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-13 19:51:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2020-10-13 19:51:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-13 19:51:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2020-10-13 19:51:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2020-10-13 19:51:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 19:51:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 19:51:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 19:51:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 19:51:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 19:51:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 19:51:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-13 19:51:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-13 19:51:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-13 19:51:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-13 19:51:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-13 19:51:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2020-10-13 19:51:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 19:51:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2020-10-13 19:51:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2020-10-13 19:51:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-10-13 19:51:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2020-10-13 19:51:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2020-10-13 19:51:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2020-10-13 19:51:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2020-10-13 19:51:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-13 19:51:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2020-10-13 19:51:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-13 19:51:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-13 19:51:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-13 19:51:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 19:51:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 19:51:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2020-10-13 19:51:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2020-10-13 19:51:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 19:51:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 19:51:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-13 19:51:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-13 19:51:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 19:51:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2020-10-13 19:51:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-13 19:51:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 19:51:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-13 19:51:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-13 19:51:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-13 19:51:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 19:51:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-13 19:51:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 19:51:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-13 19:51:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2020-10-13 19:51:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2020-10-13 19:51:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2020-10-13 19:51:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 19:51:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 19:51:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 19:51:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 19:51:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 19:51:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 19:51:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 19:51:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-13 19:51:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-13 19:51:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-13 19:51:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 19:51:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-13 19:51:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-13 19:51:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 19:51:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 19:51:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 19:51:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 19:51:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 19:51:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 19:51:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 19:51:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 19:51:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 19:51:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 19:51:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 19:51:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 19:51:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 19:51:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 19:51:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 19:51:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 19:51:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 19:51:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 19:51:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2020-10-13 19:51:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2020-10-13 19:51:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2020-10-13 19:51:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-13 19:51:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-13 19:51:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-13 19:51:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-13 19:51:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2020-10-13 19:51:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-13 19:51:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2020-10-13 19:51:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2020-10-13 19:51:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2020-10-13 19:51:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2020-10-13 19:51:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-10-13 19:51:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 19:51:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 19:51:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 19:51:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 19:51:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 19:51:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-13 19:51:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2020-10-13 19:51:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-13 19:51:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-10-13 19:51:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-13 19:51:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-13 19:51:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-10-13 19:51:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-13 19:51:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-10-13 19:51:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2020-10-13 19:51:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2020-10-13 19:51:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2020-10-13 19:51:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2020-10-13 19:51:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2020-10-13 19:51:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2020-10-13 19:51:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2020-10-13 19:51:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2020-10-13 19:51:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2020-10-13 19:51:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2020-10-13 19:51:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2020-10-13 19:51:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-10-13 19:51:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2020-10-13 19:51:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2020-10-13 19:51:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-13 19:51:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2020-10-13 19:51:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-13 19:51:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-13 19:51:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2020-10-13 19:51:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-13 19:51:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2020-10-13 19:51:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 19:51:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-13 19:51:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 19:51:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-13 19:51:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-13 19:51:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-13 19:51:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 19:51:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 19:51:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 19:51:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2020-10-13 19:51:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2020-10-13 19:51:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2020-10-13 19:51:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2020-10-13 19:51:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2020-10-13 19:51:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2020-10-13 19:51:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2020-10-13 19:51:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2020-10-13 19:51:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2020-10-13 19:51:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2020-10-13 19:51:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2020-10-13 19:51:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2020-10-13 19:51:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 19:51:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 19:51:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 19:51:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-13 19:51:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 19:51:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 19:51:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 19:51:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 19:51:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 19:51:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 19:51:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 19:51:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 19:51:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 19:51:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 19:51:49,173 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 19:51:55,200 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 19:51:55,201 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 19:51:55,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:55 BoogieIcfgContainer [2020-10-13 19:51:55,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 19:51:55,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 19:51:55,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 19:51:55,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 19:51:55,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:51:45" (1/3) ... [2020-10-13 19:51:55,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e44035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:55, skipping insertion in model container [2020-10-13 19:51:55,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:47" (2/3) ... [2020-10-13 19:51:55,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e44035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:55, skipping insertion in model container [2020-10-13 19:51:55,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:55" (3/3) ... [2020-10-13 19:51:55,219 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-13 19:51:55,230 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 19:51:55,240 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 19:51:55,257 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 19:51:55,293 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 19:51:55,293 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 19:51:55,293 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 19:51:55,294 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 19:51:55,294 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 19:51:55,294 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 19:51:55,295 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 19:51:55,295 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 19:51:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states. [2020-10-13 19:51:55,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-13 19:51:55,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:51:55,372 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:51:55,373 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:51:55,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:51:55,378 INFO L82 PathProgramCache]: Analyzing trace with hash 602137346, now seen corresponding path program 1 times [2020-10-13 19:51:55,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:51:55,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842466935] [2020-10-13 19:51:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:51:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:51:56,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:51:57,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:51:58,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:00,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:01,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:01,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 19:52:01,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:52:01,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5199 [2020-10-13 19:52:01,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:52:01,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 19:52:01,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:52:01,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 19:52:03,269 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:52:03,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:52:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:03,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-13 19:52:03,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:03,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:52:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:03,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:52:03,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:52:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:03,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:52:03,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:03,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:52:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:03,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:52:03,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 19:52:03,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:52:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:03,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:52:03,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:03,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:03,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:52:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:03,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:52:03,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:03,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:52:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:52:03,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:52:03,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:03,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:03,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 19:52:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:03,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:03,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:52:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:03,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:52:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:03,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:03,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:03,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:03,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:03,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:52:03,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 19:52:03,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:03,840 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 19:52:03,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842466935] [2020-10-13 19:52:03,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:52:03,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 19:52:03,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032523915] [2020-10-13 19:52:03,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 19:52:03,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:52:03,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 19:52:03,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 19:52:03,870 INFO L87 Difference]: Start difference. First operand 786 states. Second operand 6 states. [2020-10-13 19:52:18,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:52:18,872 INFO L93 Difference]: Finished difference Result 1596 states and 2166 transitions. [2020-10-13 19:52:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 19:52:18,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-10-13 19:52:18,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:52:18,903 INFO L225 Difference]: With dead ends: 1596 [2020-10-13 19:52:18,903 INFO L226 Difference]: Without dead ends: 859 [2020-10-13 19:52:18,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 19:52:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-13 19:52:19,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 683. [2020-10-13 19:52:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-10-13 19:52:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 873 transitions. [2020-10-13 19:52:19,190 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 873 transitions. Word has length 83 [2020-10-13 19:52:19,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:52:19,191 INFO L479 AbstractCegarLoop]: Abstraction has 683 states and 873 transitions. [2020-10-13 19:52:19,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 19:52:19,191 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 873 transitions. [2020-10-13 19:52:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-13 19:52:19,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:52:19,197 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:52:19,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 19:52:19,198 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:52:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:52:19,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1776019489, now seen corresponding path program 1 times [2020-10-13 19:52:19,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:52:19,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207880350] [2020-10-13 19:52:19,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:52:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:19,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:20,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:23,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:24,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:24,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 19:52:24,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:52:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5210 [2020-10-13 19:52:24,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:52:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-13 19:52:24,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:52:24,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,183 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:52:26,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:52:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-13 19:52:26,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:52:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:26,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:26,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:52:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:26,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:26,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:52:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:26,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:26,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:52:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:26,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:52:26,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:26,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:52:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:26,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:26,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:52:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:52:26,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:52:26,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:52:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:26,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:52:26,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:26,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 19:52:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:26,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:26,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:26,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 19:52:26,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:52:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:52:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 19:52:26,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207880350] [2020-10-13 19:52:26,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:52:26,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 19:52:26,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865187711] [2020-10-13 19:52:26,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 19:52:26,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:52:26,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 19:52:26,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:52:26,602 INFO L87 Difference]: Start difference. First operand 683 states and 873 transitions. Second operand 8 states. [2020-10-13 19:52:41,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:52:41,097 INFO L93 Difference]: Finished difference Result 1529 states and 2015 transitions. [2020-10-13 19:52:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 19:52:41,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-10-13 19:52:41,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:52:41,111 INFO L225 Difference]: With dead ends: 1529 [2020-10-13 19:52:41,111 INFO L226 Difference]: Without dead ends: 866 [2020-10-13 19:52:41,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:52:41,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-10-13 19:52:41,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 688. [2020-10-13 19:52:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-13 19:52:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 878 transitions. [2020-10-13 19:52:41,282 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 878 transitions. Word has length 86 [2020-10-13 19:52:41,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:52:41,283 INFO L479 AbstractCegarLoop]: Abstraction has 688 states and 878 transitions. [2020-10-13 19:52:41,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 19:52:41,283 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 878 transitions. [2020-10-13 19:52:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-13 19:52:41,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:52:41,287 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:52:41,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 19:52:41,288 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:52:41,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:52:41,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1700349748, now seen corresponding path program 1 times [2020-10-13 19:52:41,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:52:41,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760609080] [2020-10-13 19:52:41,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:52:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:41,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:42,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:46,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:46,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 19:52:46,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:52:46,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 19:52:46,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:52:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 19:52:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:52:46,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:48,120 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:52:48,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:52:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:48,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-13 19:52:48,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:48,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:52:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:48,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:52:48,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:52:48,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:52:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:48,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:48,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:52:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:48,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:52:48,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 19:52:48,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:52:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:48,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:52:48,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:52:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:52:48,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:52:48,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:52:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:52:48,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:48,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 19:52:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:48,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:52:48,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:52:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:52:48,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 19:52:48,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:52:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 19:52:48,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 19:52:48,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:52:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:48,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:52:48,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:52:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:52:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:52:48,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 19:52:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:52:48,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:52:48,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:52:48,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:52:48,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:52:48,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:52:48,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:52:48,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:52:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:52:48,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:52:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:52:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 19:52:48,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760609080] [2020-10-13 19:52:48,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:52:48,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 19:52:48,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391030699] [2020-10-13 19:52:48,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 19:52:48,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:52:48,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 19:52:48,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 19:52:48,752 INFO L87 Difference]: Start difference. First operand 688 states and 878 transitions. Second operand 7 states. [2020-10-13 19:52:59,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:52:59,954 INFO L93 Difference]: Finished difference Result 1561 states and 2064 transitions. [2020-10-13 19:52:59,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 19:52:59,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-13 19:52:59,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:52:59,962 INFO L225 Difference]: With dead ends: 1561 [2020-10-13 19:52:59,962 INFO L226 Difference]: Without dead ends: 893 [2020-10-13 19:52:59,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 19:52:59,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-13 19:53:00,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 689. [2020-10-13 19:53:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-13 19:53:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 879 transitions. [2020-10-13 19:53:00,128 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 879 transitions. Word has length 94 [2020-10-13 19:53:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:53:00,129 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 879 transitions. [2020-10-13 19:53:00,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 19:53:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 879 transitions. [2020-10-13 19:53:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-13 19:53:00,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:53:00,133 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:53:00,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 19:53:00,133 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:53:00,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:53:00,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1403588520, now seen corresponding path program 1 times [2020-10-13 19:53:00,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:53:00,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186957603] [2020-10-13 19:53:00,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:53:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:00,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:01,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:03,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:05,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:05,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:05,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 19:53:05,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:53:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-10-13 19:53:05,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:53:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-13 19:53:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:53:05,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:06,877 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:53:06,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:53:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:07,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-13 19:53:07,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:53:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:07,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:53:07,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:53:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:07,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:07,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:53:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:07,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:53:07,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:53:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:07,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:07,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:53:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:07,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:53:07,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:53:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:53:07,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:53:07,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:53:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:07,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:07,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 19:53:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 19:53:07,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 19:53:07,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:53:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 19:53:07,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:53:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:07,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:07,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 19:53:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:07,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:53:07,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 19:53:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:07,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:07,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:53:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-13 19:53:07,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186957603] [2020-10-13 19:53:07,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:53:07,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 19:53:07,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401470046] [2020-10-13 19:53:07,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 19:53:07,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:53:07,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 19:53:07,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:53:07,351 INFO L87 Difference]: Start difference. First operand 689 states and 879 transitions. Second operand 8 states. [2020-10-13 19:53:21,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:53:21,662 INFO L93 Difference]: Finished difference Result 1540 states and 2025 transitions. [2020-10-13 19:53:21,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 19:53:21,666 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 105 [2020-10-13 19:53:21,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:53:21,675 INFO L225 Difference]: With dead ends: 1540 [2020-10-13 19:53:21,676 INFO L226 Difference]: Without dead ends: 871 [2020-10-13 19:53:21,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:53:21,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-10-13 19:53:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 693. [2020-10-13 19:53:21,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-13 19:53:21,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 883 transitions. [2020-10-13 19:53:21,852 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 883 transitions. Word has length 105 [2020-10-13 19:53:21,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:53:21,853 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 883 transitions. [2020-10-13 19:53:21,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 19:53:21,853 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 883 transitions. [2020-10-13 19:53:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-13 19:53:21,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:53:21,856 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2020-10-13 19:53:21,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 19:53:21,856 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:53:21,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:53:21,857 INFO L82 PathProgramCache]: Analyzing trace with hash -45989652, now seen corresponding path program 1 times [2020-10-13 19:53:21,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:53:21,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642687275] [2020-10-13 19:53:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:53:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:21,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:22,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:22,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:23,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:26,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:26,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 19:53:26,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:53:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 19:53:26,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:53:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-13 19:53:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 19:53:26,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,026 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:53:29,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:53:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:29,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-13 19:53:29,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:53:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:29,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:29,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:53:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:53:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:29,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:29,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:53:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:29,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:29,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:53:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:29,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:29,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:53:29,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:53:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:53:29,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:29,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 19:53:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:29,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:29,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:53:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 19:53:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:29,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:29,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:53:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 19:53:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 19:53:29,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:53:29,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 19:53:29,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:53:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:53:29,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:29,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:53:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:29,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:29,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 19:53:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 19:53:29,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:53:29,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 19:53:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:53:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:53:29,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:53:29,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:53:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:29,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:29,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:29,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:29,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:29,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:29,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-13 19:53:29,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642687275] [2020-10-13 19:53:29,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:53:29,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 19:53:29,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698154893] [2020-10-13 19:53:29,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 19:53:29,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:53:29,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 19:53:29,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 19:53:29,372 INFO L87 Difference]: Start difference. First operand 693 states and 883 transitions. Second operand 6 states. [2020-10-13 19:53:33,836 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 600 [2020-10-13 19:53:51,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:53:51,715 INFO L93 Difference]: Finished difference Result 2233 states and 2986 transitions. [2020-10-13 19:53:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 19:53:51,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2020-10-13 19:53:51,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:53:51,727 INFO L225 Difference]: With dead ends: 2233 [2020-10-13 19:53:51,727 INFO L226 Difference]: Without dead ends: 1560 [2020-10-13 19:53:51,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:53:51,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2020-10-13 19:53:52,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1110. [2020-10-13 19:53:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2020-10-13 19:53:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1425 transitions. [2020-10-13 19:53:52,023 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1425 transitions. Word has length 104 [2020-10-13 19:53:52,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:53:52,023 INFO L479 AbstractCegarLoop]: Abstraction has 1110 states and 1425 transitions. [2020-10-13 19:53:52,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 19:53:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1425 transitions. [2020-10-13 19:53:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 19:53:52,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:53:52,028 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:53:52,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 19:53:52,028 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:53:52,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:53:52,028 INFO L82 PathProgramCache]: Analyzing trace with hash -460838653, now seen corresponding path program 1 times [2020-10-13 19:53:52,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:53:52,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314523927] [2020-10-13 19:53:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:53:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:52,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:52,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:54,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:57,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:57,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-13 19:53:57,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:53:57,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5135 [2020-10-13 19:53:57,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:57,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:53:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-13 19:53:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:53:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:58,837 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:53:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:53:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:58,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:58,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:58,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:58,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 19:53:58,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:53:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:59,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:59,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:59,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:59,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:59,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:53:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:59,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:53:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:59,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:53:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:59,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:59,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:59,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:59,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:53:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:59,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:53:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:59,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:53:59,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:53:59,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 19:53:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:53:59,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:53:59,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 19:53:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:53:59,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:53:59,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:00,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:00,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 19:54:00,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:54:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 983 [2020-10-13 19:54:00,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 19:54:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:54:00,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 19:54:00,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:00,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:54:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:00,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:00,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:00,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:54:00,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 19:54:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:00,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 19:54:00,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:54:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:54:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 19:54:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:00,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:00,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:00,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:00,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:00,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:54:00,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:54:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:54:00,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:00,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 19:54:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:00,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:00,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:00,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:00,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:54:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:54:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:54:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:00,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:54:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:00,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:00,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:00,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 19:54:00,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:54:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 19:54:00,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:54:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 19:54:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:54:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 19:54:00,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314523927] [2020-10-13 19:54:00,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 19:54:00,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 19:54:00,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008795042] [2020-10-13 19:54:00,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 19:54:00,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:54:00,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 19:54:00,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-13 19:54:00,478 INFO L87 Difference]: Start difference. First operand 1110 states and 1425 transitions. Second operand 15 states. [2020-10-13 19:54:12,896 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-13 19:54:14,725 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-13 19:54:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:54:22,647 INFO L93 Difference]: Finished difference Result 2748 states and 3718 transitions. [2020-10-13 19:54:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 19:54:22,648 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 120 [2020-10-13 19:54:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:54:22,659 INFO L225 Difference]: With dead ends: 2748 [2020-10-13 19:54:22,659 INFO L226 Difference]: Without dead ends: 1658 [2020-10-13 19:54:22,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2020-10-13 19:54:22,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2020-10-13 19:54:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1158. [2020-10-13 19:54:22,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2020-10-13 19:54:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1503 transitions. [2020-10-13 19:54:22,971 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1503 transitions. Word has length 120 [2020-10-13 19:54:22,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:54:22,972 INFO L479 AbstractCegarLoop]: Abstraction has 1158 states and 1503 transitions. [2020-10-13 19:54:22,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 19:54:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1503 transitions. [2020-10-13 19:54:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 19:54:22,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:54:22,976 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:54:22,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 19:54:22,977 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:54:22,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:54:22,977 INFO L82 PathProgramCache]: Analyzing trace with hash 2072058194, now seen corresponding path program 1 times [2020-10-13 19:54:22,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:54:22,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552010412] [2020-10-13 19:54:22,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:54:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:23,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:25,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:27,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:28,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:28,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 19:54:28,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:54:28,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5119 [2020-10-13 19:54:28,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:28,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:54:28,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-13 19:54:28,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 19:54:28,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,702 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:54:29,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:54:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:29,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 19:54:29,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:54:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:54:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:29,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:29,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:54:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:29,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:29,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:54:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:29,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:54:29,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:54:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:29,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:54:29,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:54:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:29,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:54:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:29,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:29,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:29,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 19:54:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:29,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:29,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:30,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:30,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 19:54:30,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:54:30,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-13 19:54:30,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:54:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-13 19:54:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 19:54:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:54:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:30,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:30,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:30,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:30,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:30,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:30,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:30,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:30,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 19:54:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:30,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:30,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:30,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:30,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:30,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:30,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 19:54:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:30,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:30,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 19:54:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:30,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:30,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:30,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:30,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:54:30,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:54:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:30,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:30,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:30,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 19:54:30,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:30,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 19:54:30,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:30,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:54:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:54:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 19:54:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-13 19:54:30,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552010412] [2020-10-13 19:54:30,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:54:30,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 19:54:30,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295544233] [2020-10-13 19:54:30,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 19:54:30,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:54:30,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 19:54:30,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:54:30,356 INFO L87 Difference]: Start difference. First operand 1158 states and 1503 transitions. Second operand 8 states. [2020-10-13 19:54:39,974 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-13 19:54:41,492 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 604 [2020-10-13 19:54:49,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:54:49,388 INFO L93 Difference]: Finished difference Result 2760 states and 3744 transitions. [2020-10-13 19:54:49,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 19:54:49,389 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 124 [2020-10-13 19:54:49,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:54:49,399 INFO L225 Difference]: With dead ends: 2760 [2020-10-13 19:54:49,399 INFO L226 Difference]: Without dead ends: 1622 [2020-10-13 19:54:49,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:54:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2020-10-13 19:54:49,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1162. [2020-10-13 19:54:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1162 states. [2020-10-13 19:54:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1509 transitions. [2020-10-13 19:54:49,812 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1509 transitions. Word has length 124 [2020-10-13 19:54:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:54:49,812 INFO L479 AbstractCegarLoop]: Abstraction has 1162 states and 1509 transitions. [2020-10-13 19:54:49,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 19:54:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1509 transitions. [2020-10-13 19:54:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 19:54:49,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:54:49,819 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 19:54:49,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 19:54:49,819 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:54:49,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:54:49,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1866235654, now seen corresponding path program 1 times [2020-10-13 19:54:49,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:54:49,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334007634] [2020-10-13 19:54:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:54:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:49,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:51,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:52,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:57,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7108 [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 19:54:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,571 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-13 19:54:58,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:54:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:54:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:58,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 19:54:58,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:54:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:58,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:54:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:58,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:54:58,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:54:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:54:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:54:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 19:54:58,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:54:58,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 19:54:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:58,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 19:54:58,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 19:54:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 19:54:58,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-13 19:54:58,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 19:54:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 19:54:58,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:54:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:58,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:58,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 19:54:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:58,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:58,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 19:54:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:58,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:58,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:58,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:58,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 19:54:58,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:58,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 19:54:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:59,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:59,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:59,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:54:59,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:59,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 19:54:59,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:59,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 19:54:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:54:59,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:54:59,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:54:59,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 19:54:59,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:54:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:54:59,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:54:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:54:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:54:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:54:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:54:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-13 19:54:59,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334007634] [2020-10-13 19:54:59,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:54:59,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 19:54:59,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639019141] [2020-10-13 19:54:59,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:54:59,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:54:59,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:54:59,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:54:59,052 INFO L87 Difference]: Start difference. First operand 1162 states and 1509 transitions. Second operand 9 states.