/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=BIGGEST --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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 23:08:14,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 23:08:14,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 23:08:14,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 23:08:14,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 23:08:14,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 23:08:14,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 23:08:14,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 23:08:14,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 23:08:14,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 23:08:14,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 23:08:14,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 23:08:14,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 23:08:14,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 23:08:14,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 23:08:14,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 23:08:14,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 23:08:14,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 23:08:14,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 23:08:14,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 23:08:14,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 23:08:14,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 23:08:14,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 23:08:14,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 23:08:14,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 23:08:14,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 23:08:14,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 23:08:14,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 23:08:14,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 23:08:14,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 23:08:14,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 23:08:14,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 23:08:14,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 23:08:14,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 23:08:14,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 23:08:14,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 23:08:14,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 23:08:14,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 23:08:14,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 23:08:14,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 23:08:14,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 23:08:14,648 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 [2020-10-12 23:08:14,687 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 23:08:14,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 23:08:14,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 23:08:14,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 23:08:14,690 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 23:08:14,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 23:08:14,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 23:08:14,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 23:08:14,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 23:08:14,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 23:08:14,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 23:08:14,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 23:08:14,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 23:08:14,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 23:08:14,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 23:08:14,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 23:08:14,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 23:08:14,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 23:08:14,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:08:14,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 23:08:14,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 23:08:14,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 23:08:14,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 23:08:14,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 23:08:14,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 23:08:14,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 23:08:14,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 23:08:14,695 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 23:08:14,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 23:08:15,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 23:08:15,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 23:08:15,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 23:08:15,022 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 23:08:15,023 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2020-10-12 23:08:15,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eaa767e32/3b551ce6eb5242159a43df64322398af/FLAG33be3359f [2020-10-12 23:08:15,816 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 23:08:15,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2020-10-12 23:08:15,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eaa767e32/3b551ce6eb5242159a43df64322398af/FLAG33be3359f [2020-10-12 23:08:15,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/eaa767e32/3b551ce6eb5242159a43df64322398af [2020-10-12 23:08:15,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 23:08:15,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 23:08:15,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 23:08:15,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 23:08:15,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 23:08:15,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:08:15" (1/1) ... [2020-10-12 23:08:15,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b2dea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:15, skipping insertion in model container [2020-10-12 23:08:15,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:08:15" (1/1) ... [2020-10-12 23:08:15,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 23:08:16,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 23:08:17,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:08:17,440 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 23:08:17,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:08:17,852 INFO L208 MainTranslator]: Completed translation [2020-10-12 23:08:17,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17 WrapperNode [2020-10-12 23:08:17,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 23:08:17,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 23:08:17,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 23:08:17,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 23:08:17,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (1/1) ... [2020-10-12 23:08:17,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (1/1) ... [2020-10-12 23:08:17,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (1/1) ... [2020-10-12 23:08:17,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (1/1) ... [2020-10-12 23:08:18,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (1/1) ... [2020-10-12 23:08:18,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (1/1) ... [2020-10-12 23:08:18,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (1/1) ... [2020-10-12 23:08:18,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 23:08:18,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 23:08:18,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 23:08:18,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 23:08:18,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (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 [2020-10-12 23:08:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 23:08:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 23:08:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 23:08:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-12 23:08:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-12 23:08:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-12 23:08:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-12 23:08:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-12 23:08:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 23:08:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 23:08:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 23:08:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 23:08:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 23:08:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-12 23:08:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-12 23:08:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-12 23:08:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 23:08:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-12 23:08:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 23:08:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-12 23:08:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-12 23:08:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-12 23:08:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-12 23:08:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-10-12 23:08:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-12 23:08:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-12 23:08:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-12 23:08:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2020-10-12 23:08:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_hid_report_descriptor [2020-10-12 23:08:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_input_open [2020-10-12 23:08:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_input_close [2020-10-12 23:08:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_setup_caps [2020-10-12 23:08:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_urb_callback [2020-10-12 23:08:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_probe [2020-10-12 23:08:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2020-10-12 23:08:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_driverinfo_table_init [2020-10-12 23:08:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_driverinfo_table_exit [2020-10-12 23:08:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-12 23:08:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 23:08:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-12 23:08:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-12 23:08:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2020-10-12 23:08:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_4 [2020-10-12 23:08:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_5 [2020-10-12 23:08:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_6 [2020-10-12 23:08:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_7 [2020-10-12 23:08:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2020-10-12 23:08:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_9 [2020-10-12 23:08:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2020-10-12 23:08:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_11 [2020-10-12 23:08:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_12 [2020-10-12 23:08:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-12 23:08:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-12 23:08:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-12 23:08:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-12 23:08:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-12 23:08:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-12 23:08:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-12 23:08:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-12 23:08:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-12 23:08:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-12 23:08:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-12 23:08:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-12 23:08:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-12 23:08:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-12 23:08:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-12 23:08:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-12 23:08:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 23:08:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-12 23:08:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2020-10-12 23:08:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-12 23:08:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-12 23:08:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 23:08:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 23:08:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-12 23:08:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-12 23:08:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-12 23:08:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-10-12 23:08:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-12 23:08:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 23:08:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-12 23:08:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-12 23:08:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-12 23:08:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-12 23:08:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-12 23:08:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-12 23:08:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-12 23:08:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 23:08:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-12 23:08:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-12 23:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 23:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 23:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-12 23:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-12 23:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-12 23:08:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 23:08:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-12 23:08:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-12 23:08:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-12 23:08:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-12 23:08:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 23:08:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 23:08:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-12 23:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-12 23:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_9 [2020-10-12 23:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_7 [2020-10-12 23:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2020-10-12 23:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-12 23:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_4 [2020-10-12 23:08:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-12 23:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 23:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 23:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-12 23:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_11 [2020-10-12 23:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-12 23:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_12 [2020-10-12 23:08:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_6 [2020-10-12 23:08:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_5 [2020-10-12 23:08:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2020-10-12 23:08:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2020-10-12 23:08:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-12 23:08:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2020-10-12 23:08:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-12 23:08:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-12 23:08:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-12 23:08:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-12 23:08:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-12 23:08:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-12 23:08:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-12 23:08:18,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-12 23:08:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-12 23:08:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-12 23:08:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-12 23:08:18,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-12 23:08:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-12 23:08:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 23:08:18,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 23:08:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 23:08:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 23:08:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 23:08:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 23:08:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 23:08:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-12 23:08:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 23:08:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 23:08:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 23:08:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 23:08:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 23:08:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-12 23:08:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-12 23:08:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-12 23:08:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 23:08:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-12 23:08:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-12 23:08:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-12 23:08:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-12 23:08:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-12 23:08:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-12 23:08:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-12 23:08:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-12 23:08:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-12 23:08:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-12 23:08:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-10-12 23:08:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-12 23:08:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-10-12 23:08:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-12 23:08:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-12 23:08:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2020-10-12 23:08:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 23:08:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure parse_hid_report_descriptor [2020-10-12 23:08:18,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-12 23:08:18,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 23:08:18,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 23:08:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_input_open [2020-10-12 23:08:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_input_close [2020-10-12 23:08:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_setup_caps [2020-10-12 23:08:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_urb_callback [2020-10-12 23:08:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_probe [2020-10-12 23:08:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2020-10-12 23:08:18,296 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_driverinfo_table_init [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_driverinfo_table_exit [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-12 23:08:18,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 23:08:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 23:08:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 23:08:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 23:08:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 23:08:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 23:08:19,116 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-12 23:08:25,341 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-12 23:08:27,284 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:08:27,284 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 23:08:27,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:08:27 BoogieIcfgContainer [2020-10-12 23:08:27,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:08:27,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:08:27,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:08:27,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:08:27,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:08:15" (1/3) ... [2020-10-12 23:08:27,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e1fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:08:27, skipping insertion in model container [2020-10-12 23:08:27,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:08:17" (2/3) ... [2020-10-12 23:08:27,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e1fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:08:27, skipping insertion in model container [2020-10-12 23:08:27,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:08:27" (3/3) ... [2020-10-12 23:08:27,309 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2020-10-12 23:08:27,321 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:08:27,331 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:08:27,345 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:08:27,377 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:08:27,377 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:08:27,377 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:08:27,377 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:08:27,377 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:08:27,377 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:08:27,378 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:08:27,378 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:08:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states. [2020-10-12 23:08:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-12 23:08:27,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:08:27,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:08:27,424 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:08:27,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:08:27,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1220595937, now seen corresponding path program 1 times [2020-10-12 23:08:27,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:08:27,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696576878] [2020-10-12 23:08:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:08:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:28,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:32,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:35,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:35,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 23:08:35,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:08:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6768 [2020-10-12 23:08:35,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:08:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:08:35,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 23:08:35,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 23:08:40,707 WARN L193 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 1114 [2020-10-12 23:08:40,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:08:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:43,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:43,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:43,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:43,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2421 [2020-10-12 23:08:43,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:08:43,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:43,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:08:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:43,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:43,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:43,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:08:43,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:43,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:08:43,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:43,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:08:43,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:43,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:08:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:43,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:43,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:43,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:08:43,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:43,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:08:43,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:43,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:43,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:08:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:08:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 23:08:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:43,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:43,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:43,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:08:43,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:43,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:08:43,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:08:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:43,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:08:43,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:43,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:08:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:43,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:43,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:43,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:08:43,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:08:43,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:43,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:08:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:08:43,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:08:43,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:08:43,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:08:43,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:08:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:08:43,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:08:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:08:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:08:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:08:43,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:08:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:08:43,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696576878] [2020-10-12 23:08:43,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:08:43,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:08:43,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119448865] [2020-10-12 23:08:43,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:08:43,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:08:43,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:08:43,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:08:43,677 INFO L87 Difference]: Start difference. First operand 793 states. Second operand 6 states. [2020-10-12 23:08:48,541 WARN L193 SmtUtils]: Spent 4.79 s on a formula simplification that was a NOOP. DAG size: 1117 [2020-10-12 23:08:55,928 WARN L193 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 1120 [2020-10-12 23:09:01,071 WARN L193 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 1117 [2020-10-12 23:09:31,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:09:31,906 INFO L93 Difference]: Finished difference Result 2073 states and 2848 transitions. [2020-10-12 23:09:31,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 23:09:31,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-12 23:09:31,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:09:31,937 INFO L225 Difference]: With dead ends: 2073 [2020-10-12 23:09:31,937 INFO L226 Difference]: Without dead ends: 1421 [2020-10-12 23:09:31,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-12 23:09:31,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2020-10-12 23:09:32,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1219. [2020-10-12 23:09:32,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1219 states. [2020-10-12 23:09:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1599 transitions. [2020-10-12 23:09:32,473 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1599 transitions. Word has length 39 [2020-10-12 23:09:32,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:09:32,474 INFO L479 AbstractCegarLoop]: Abstraction has 1219 states and 1599 transitions. [2020-10-12 23:09:32,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:09:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1599 transitions. [2020-10-12 23:09:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 23:09:32,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:09:32,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:09:32,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:09:32,479 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:09:32,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:09:32,479 INFO L82 PathProgramCache]: Analyzing trace with hash 815727118, now seen corresponding path program 1 times [2020-10-12 23:09:32,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:09:32,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961692288] [2020-10-12 23:09:32,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:09:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:32,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:38,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:38,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 23:09:38,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:09:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5531 [2020-10-12 23:09:38,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:09:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:09:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 23:09:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:43,257 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification that was a NOOP. DAG size: 1114 [2020-10-12 23:09:43,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:09:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:43,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:45,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:45,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:45,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:45,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2344 [2020-10-12 23:09:45,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:45,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:09:45,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:45,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:09:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:45,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:45,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:45,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:09:45,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:09:45,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:09:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:09:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:45,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:45,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:45,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:09:45,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:45,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:09:45,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:09:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 23:09:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:46,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:46,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:09:46,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:09:46,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:09:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:09:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:46,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:09:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:46,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:46,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:46,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:09:46,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:09:46,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:46,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:09:46,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:09:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:09:46,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:09:46,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:09:46,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:09:46,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:09:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:09:46,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:09:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:09:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:09:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:09:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:09:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:09:46,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961692288] [2020-10-12 23:09:46,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:09:46,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:09:46,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051269233] [2020-10-12 23:09:46,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:09:46,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:09:46,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:09:46,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:09:46,101 INFO L87 Difference]: Start difference. First operand 1219 states and 1599 transitions. Second operand 6 states. [2020-10-12 23:09:50,950 WARN L193 SmtUtils]: Spent 4.82 s on a formula simplification that was a NOOP. DAG size: 1117 [2020-10-12 23:09:58,114 WARN L193 SmtUtils]: Spent 4.83 s on a formula simplification that was a NOOP. DAG size: 1120 [2020-10-12 23:10:03,138 WARN L193 SmtUtils]: Spent 4.82 s on a formula simplification that was a NOOP. DAG size: 1117 [2020-10-12 23:10:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:10:36,988 INFO L93 Difference]: Finished difference Result 3970 states and 5207 transitions. [2020-10-12 23:10:36,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 23:10:36,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-12 23:10:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:10:37,013 INFO L225 Difference]: With dead ends: 3970 [2020-10-12 23:10:37,013 INFO L226 Difference]: Without dead ends: 2763 [2020-10-12 23:10:37,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-12 23:10:37,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2020-10-12 23:10:37,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2426. [2020-10-12 23:10:37,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2426 states. [2020-10-12 23:10:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3187 transitions. [2020-10-12 23:10:37,876 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3187 transitions. Word has length 40 [2020-10-12 23:10:37,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:10:37,876 INFO L479 AbstractCegarLoop]: Abstraction has 2426 states and 3187 transitions. [2020-10-12 23:10:37,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:10:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3187 transitions. [2020-10-12 23:10:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 23:10:37,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:10:37,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:10:37,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 23:10:37,880 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:10:37,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:10:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash -482762750, now seen corresponding path program 1 times [2020-10-12 23:10:37,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:10:37,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003758020] [2020-10-12 23:10:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:10:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:10:38,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:39,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:43,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:10:43,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 23:10:43,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:10:43,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5540 [2020-10-12 23:10:43,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:10:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:10:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:10:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 23:10:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:10:48,528 WARN L193 SmtUtils]: Spent 4.78 s on a formula simplification that was a NOOP. DAG size: 1114 [2020-10-12 23:10:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:10:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:10:48,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:50,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:10:50,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:10:50,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:10:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2025 [2020-10-12 23:10:50,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:10:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:10:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:10:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:10:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:10:50,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:10:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:10:50,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:50,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:10:50,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:10:50,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:10:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:10:50,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:10:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:10:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:10:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:10:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:10:50,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:10:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:10:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:50,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:10:50,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:10:50,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:10:50,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:10:50,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:10:50,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:10:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:10:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:10:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:10:50,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 23:10:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:10:50,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:50,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:10:50,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:10:50,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:10:50,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 23:10:50,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:10:50,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:10:50,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:10:50,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:10:50,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:10:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:10:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:10:50,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:50,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:10:50,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:10:50,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:10:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:10:50,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:10:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:10:50,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:10:50,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:10:50,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:10:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:10:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:10:50,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:10:50,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:10:50,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:10:50,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:10:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 23:10:50,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:10:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:10:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:10:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:10:50,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:10:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:10:50,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003758020] [2020-10-12 23:10:50,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:10:50,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:10:50,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643427334] [2020-10-12 23:10:50,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:10:50,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:10:50,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:10:50,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:10:50,907 INFO L87 Difference]: Start difference. First operand 2426 states and 3187 transitions. Second operand 6 states. [2020-10-12 23:10:55,817 WARN L193 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 1117 [2020-10-12 23:11:02,882 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 1119 [2020-10-12 23:11:08,462 WARN L193 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 1116 [2020-10-12 23:11:40,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:11:40,481 INFO L93 Difference]: Finished difference Result 2761 states and 3604 transitions. [2020-10-12 23:11:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 23:11:40,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-12 23:11:40,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:11:40,497 INFO L225 Difference]: With dead ends: 2761 [2020-10-12 23:11:40,497 INFO L226 Difference]: Without dead ends: 2758 [2020-10-12 23:11:40,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-12 23:11:40,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2020-10-12 23:11:41,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2427. [2020-10-12 23:11:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2427 states. [2020-10-12 23:11:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 3188 transitions. [2020-10-12 23:11:41,780 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 3188 transitions. Word has length 41 [2020-10-12 23:11:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:11:41,781 INFO L479 AbstractCegarLoop]: Abstraction has 2427 states and 3188 transitions. [2020-10-12 23:11:41,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:11:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 3188 transitions. [2020-10-12 23:11:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 23:11:41,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:11:41,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:11:41,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 23:11:41,793 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:11:41,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:11:41,793 INFO L82 PathProgramCache]: Analyzing trace with hash -2081238127, now seen corresponding path program 1 times [2020-10-12 23:11:41,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:11:41,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232328162] [2020-10-12 23:11:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:11:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:11:42,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:43,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:46,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:11:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 23:11:46,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:11:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4197 [2020-10-12 23:11:46,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:11:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:11:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:11:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 23:11:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:11:51,141 WARN L193 SmtUtils]: Spent 4.84 s on a formula simplification that was a NOOP. DAG size: 1114 [2020-10-12 23:11:51,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:11:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:11:51,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:52,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:11:52,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:11:52,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:11:52,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1510 [2020-10-12 23:11:52,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:11:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:11:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:11:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:11:52,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:11:52,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:11:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:11:52,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:52,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:11:52,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:11:52,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:11:52,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:11:52,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:11:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:11:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:11:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:11:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:11:52,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:11:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:11:52,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:52,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:11:52,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:11:52,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:11:52,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:11:52,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:11:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:11:52,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:11:52,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:11:52,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:11:52,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 23:11:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:11:52,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:52,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:11:52,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 23:11:52,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:11:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:11:52,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:11:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:11:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:11:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 23:11:52,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:11:52,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:11:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:11:52,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:52,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:11:52,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 23:11:52,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:11:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:11:52,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:11:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:11:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:11:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:11:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:11:52,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:11:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:11:52,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:11:52,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:11:52,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:11:52,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:11:52,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 23:11:52,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:11:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:11:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:11:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:11:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:11:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:11:52,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232328162] [2020-10-12 23:11:52,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:11:52,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:11:52,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906700126] [2020-10-12 23:11:52,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:11:52,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:11:52,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:11:52,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:11:52,972 INFO L87 Difference]: Start difference. First operand 2427 states and 3188 transitions. Second operand 6 states. [2020-10-12 23:11:58,041 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 1117