/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:13:10,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:13:10,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:13:10,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:13:10,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:13:10,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:13:10,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:13:10,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:13:10,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:13:10,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:13:10,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:13:10,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:13:10,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:13:10,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:13:10,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:13:10,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:13:10,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:13:10,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:13:10,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:13:10,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:13:10,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:13:10,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:13:10,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:13:10,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:13:10,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:13:10,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:13:10,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:13:10,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:13:10,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:13:10,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 10:13:10,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 10:13:10,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 10:13:10,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 10:13:10,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 10:13:10,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 10:13:10,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 10:13:10,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 10:13:10,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 10:13:10,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:13:10,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:13:10,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:13:10,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 10:13:10,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:13:10,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:13:10,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:13:10,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:13:10,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:13:10,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:13:10,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:13:10,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:13:10,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:13:10,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:13:10,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:13:10,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:13:10,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:13:10,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:13:10,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:13:10,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:13:10,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:13:10,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:13:10,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:13:10,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:13:10,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:13:10,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:13:10,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:13:10,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:13:10,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:13:10,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:13:10,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:13:10,796 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:13:11,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:13:11,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:13:11,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:13:11,224 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:13:11,225 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:13:11,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-27 10:13:11,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/274a7d31e/84628c6995fd46b3a3741409c7060830/FLAG210817185 [2020-10-27 10:13:12,240 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:13:12,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-27 10:13:12,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/274a7d31e/84628c6995fd46b3a3741409c7060830/FLAG210817185 [2020-10-27 10:13:12,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/274a7d31e/84628c6995fd46b3a3741409c7060830 [2020-10-27 10:13:12,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:13:12,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:13:12,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:13:12,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:13:12,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:13:12,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:13:12" (1/1) ... [2020-10-27 10:13:12,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32abfe5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:12, skipping insertion in model container [2020-10-27 10:13:12,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:13:12" (1/1) ... [2020-10-27 10:13:12,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:13:12,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:13:14,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:13:14,103 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:13:14,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:13:14,629 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:13:14,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14 WrapperNode [2020-10-27 10:13:14,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:13:14,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:13:14,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:13:14,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:13:14,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... [2020-10-27 10:13:14,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... [2020-10-27 10:13:14,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... [2020-10-27 10:13:14,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... [2020-10-27 10:13:14,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... [2020-10-27 10:13:14,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... [2020-10-27 10:13:14,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... [2020-10-27 10:13:14,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:13:14,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:13:14,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:13:14,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:13:14,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:13:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:13:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:13:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:13:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-27 10:13:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-27 10:13:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-10-27 10:13:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-27 10:13:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-27 10:13:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-10-27 10:13:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-27 10:13:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 10:13:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-27 10:13:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-27 10:13:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-27 10:13:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-27 10:13:15,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-27 10:13:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-27 10:13:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-27 10:13:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:13:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:13:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:13:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:13:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:13:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:13:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:13:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:13:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:13:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-27 10:13:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-27 10:13:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-27 10:13:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-10-27 10:13:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-10-27 10:13:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-10-27 10:13:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-27 10:13:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-27 10:13:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-10-27 10:13:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-10-27 10:13:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-10-27 10:13:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-10-27 10:13:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-10-27 10:13:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-10-27 10:13:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-10-27 10:13:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-10-27 10:13:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-27 10:13:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 10:13:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:13:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-27 10:13:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-27 10:13:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-27 10:13:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-27 10:13:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-27 10:13:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-10-27 10:13:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-27 10:13:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-27 10:13:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 10:13:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-27 10:13:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-27 10:13:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-27 10:13:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 10:13:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 10:13:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 10:13:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 10:13:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-27 10:13:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:13:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-27 10:13:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-27 10:13:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-27 10:13:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-27 10:13:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-27 10:13:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:13:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-27 10:13:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-27 10:13:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-27 10:13:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-27 10:13:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-27 10:13:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-27 10:13:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-27 10:13:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-27 10:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-27 10:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-27 10:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-27 10:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-27 10:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 10:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-10-27 10:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 10:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 10:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-27 10:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-10-27 10:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-27 10:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-27 10:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-27 10:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-27 10:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-27 10:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-27 10:13:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:13:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 10:13:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:13:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-27 10:13:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:13:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:13:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:13:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:13:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:13:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:13:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:13:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-27 10:13:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-27 10:13:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-10-27 10:13:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:13:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-27 10:13:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-27 10:13:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-10-27 10:13:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-27 10:13:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 10:13:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-27 10:13:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-27 10:13:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 10:13:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:13:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-27 10:13:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-27 10:13:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-27 10:13:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-27 10:13:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-27 10:13:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-27 10:13:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-27 10:13:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-27 10:13:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:13:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-27 10:13:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-27 10:13:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-27 10:13:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:13:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-27 10:13:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:13:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-27 10:13:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-27 10:13:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-27 10:13:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-27 10:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-27 10:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-27 10:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:13:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-27 10:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 10:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-27 10:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-27 10:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-27 10:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-27 10:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-27 10:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-10-27 10:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-10-27 10:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-10-27 10:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-27 10:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-10-27 10:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 10:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-10-27 10:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 10:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-27 10:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-27 10:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-27 10:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 10:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-27 10:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-27 10:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-10-27 10:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-27 10:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-27 10:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-27 10:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-27 10:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-10-27 10:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-27 10:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-27 10:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-10-27 10:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-10-27 10:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-10-27 10:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-10-27 10:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-27 10:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-10-27 10:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-10-27 10:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-10-27 10:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-27 10:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-27 10:13:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:13:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:13:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:13:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 10:13:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-27 10:13:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 10:13:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-27 10:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-27 10:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-27 10:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 10:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 10:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 10:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 10:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-27 10:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-27 10:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-27 10:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-27 10:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-27 10:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 10:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:13:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:13:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:13:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:13:15,855 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:13:18,789 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:13:18,790 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 10:13:18,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:13:18 BoogieIcfgContainer [2020-10-27 10:13:18,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:13:18,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:13:18,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:13:18,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:13:18,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:13:12" (1/3) ... [2020-10-27 10:13:18,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20911a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:13:18, skipping insertion in model container [2020-10-27 10:13:18,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:13:14" (2/3) ... [2020-10-27 10:13:18,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20911a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:13:18, skipping insertion in model container [2020-10-27 10:13:18,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:13:18" (3/3) ... [2020-10-27 10:13:18,807 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-27 10:13:18,821 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:13:18,827 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:13:18,844 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:13:18,890 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:13:18,891 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:13:18,891 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:13:18,891 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:13:18,891 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:13:18,891 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:13:18,891 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:13:18,891 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:13:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states. [2020-10-27 10:13:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-27 10:13:18,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:13:18,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:13:18,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:13:18,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:13:18,945 INFO L82 PathProgramCache]: Analyzing trace with hash -652068192, now seen corresponding path program 1 times [2020-10-27 10:13:18,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:13:18,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564771571] [2020-10-27 10:13:18,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:13:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:19,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:19,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:19,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:22,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:24,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:24,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-27 10:13:24,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:13:24,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 10:13:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:13:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-27 10:13:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 10:13:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 10:13:25,132 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 10:13:25,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:13:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:13:25,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 10:13:25,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:25,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:13:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:25,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:13:25,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:25,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:13:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:25,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:13:25,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:25,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:13:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:13:25,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:13:25,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:13:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:13:25,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:13:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:13:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:13:25,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:13:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:13:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 10:13:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:13:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 10:13:25,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:13:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:13:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 10:13:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:25,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:13:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 10:13:25,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:13:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:13:25,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 10:13:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:13:25,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:13:25,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:13:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 10:13:25,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:13:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:13:25,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:13:25,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:13:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:13:25,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:13:25,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 10:13:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:25,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:25,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:25,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:13:25,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:25,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 10:13:25,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:13:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:13:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 10:13:25,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564771571] [2020-10-27 10:13:25,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:13:25,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 10:13:25,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941259414] [2020-10-27 10:13:25,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 10:13:25,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:13:25,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 10:13:25,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-27 10:13:25,749 INFO L87 Difference]: Start difference. First operand 549 states. Second operand 11 states. [2020-10-27 10:13:32,725 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 10:13:36,804 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 225 [2020-10-27 10:13:37,447 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 10:13:37,967 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 10:13:46,076 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-27 10:13:46,756 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-27 10:13:52,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:13:52,103 INFO L93 Difference]: Finished difference Result 1916 states and 2642 transitions. [2020-10-27 10:13:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 10:13:52,106 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-10-27 10:13:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:13:52,136 INFO L225 Difference]: With dead ends: 1916 [2020-10-27 10:13:52,137 INFO L226 Difference]: Without dead ends: 1358 [2020-10-27 10:13:52,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2020-10-27 10:13:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2020-10-27 10:13:52,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1009. [2020-10-27 10:13:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-10-27 10:13:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1262 transitions. [2020-10-27 10:13:52,506 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1262 transitions. Word has length 68 [2020-10-27 10:13:52,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:13:52,507 INFO L481 AbstractCegarLoop]: Abstraction has 1009 states and 1262 transitions. [2020-10-27 10:13:52,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 10:13:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1262 transitions. [2020-10-27 10:13:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-27 10:13:52,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:13:52,535 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:13:52,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:13:52,536 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:13:52,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:13:52,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1592544134, now seen corresponding path program 1 times [2020-10-27 10:13:52,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:13:52,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631715597] [2020-10-27 10:13:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:13:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:52,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:52,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:52,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:52,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:53,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:57,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:57,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-27 10:13:57,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 10:13:57,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-27 10:13:57,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:13:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 10:13:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:13:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,149 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 10:13:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:13:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:58,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:13:58,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:58,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 10:13:58,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:58,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:58,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:58,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:58,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:13:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:58,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:58,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:13:58,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:58,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:13:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:58,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:58,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:13:58,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:58,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:13:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:58,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:13:58,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:13:58,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:58,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:13:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:58,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:13:58,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:13:58,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:13:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:13:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:13:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 10:13:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:58,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:58,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:13:58,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:13:58,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:58,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:13:58,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:13:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:13:58,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 10:13:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:13:58,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:13:58,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:13:58,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:13:58,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:13:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:13:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:13:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:13:58,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:13:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 10:13:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:13:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:58,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:13:59,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 10:14:00,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:14:00,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1739 [2020-10-27 10:14:00,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 10:14:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 10:14:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 10:14:00,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 10:14:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:14:00,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:14:00,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:14:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:14:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:14:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:14:00,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:14:00,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:14:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:14:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 10:14:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:14:00,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:14:00,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:14:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:14:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:14:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:14:00,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:14:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:14:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:14:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:14:00,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 10:14:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:14:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 10:14:00,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:14:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 10:14:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:14:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:14:00,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 10:14:00,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:14:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:14:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 10:14:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:14:00,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 10:14:00,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:14:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:14:00,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 10:14:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:14:00,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:14:00,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:14:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:14:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:14:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 10:14:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:14:00,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:14:00,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:14:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 10:14:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:14:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:14:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:14:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:14:00,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:14:00,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:14:00,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:14:00,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:14:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:14:00,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:14:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:14:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:14:00,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:14:00,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:14:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:14:00,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 10:14:00,825 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-10-27 10:14:00,834 INFO L168 Benchmark]: Toolchain (without parser) took 48060.27 ms. Allocated memory was 151.0 MB in the beginning and 672.1 MB in the end (delta: 521.1 MB). Free memory was 117.8 MB in the beginning and 559.2 MB in the end (delta: -441.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 8.0 GB. [2020-10-27 10:14:00,837 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 10:14:00,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1849.23 ms. Allocated memory is still 151.0 MB. Free memory was 117.1 MB in the beginning and 108.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 90.3 MB. Max. memory is 8.0 GB. [2020-10-27 10:14:00,845 INFO L168 Benchmark]: Boogie Preprocessor took 287.51 ms. Allocated memory was 151.0 MB in the beginning and 200.3 MB in the end (delta: 49.3 MB). Free memory was 108.0 MB in the beginning and 155.2 MB in the end (delta: -47.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-10-27 10:14:00,846 INFO L168 Benchmark]: RCFGBuilder took 3875.86 ms. Allocated memory was 200.3 MB in the beginning and 285.2 MB in the end (delta: 84.9 MB). Free memory was 155.2 MB in the beginning and 126.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 115.2 MB. Max. memory is 8.0 GB. [2020-10-27 10:14:00,847 INFO L168 Benchmark]: TraceAbstraction took 42033.31 ms. Allocated memory was 285.2 MB in the beginning and 672.1 MB in the end (delta: 386.9 MB). Free memory was 126.6 MB in the beginning and 559.2 MB in the end (delta: -432.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 10:14:00,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1849.23 ms. Allocated memory is still 151.0 MB. Free memory was 117.1 MB in the beginning and 108.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 90.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 287.51 ms. Allocated memory was 151.0 MB in the beginning and 200.3 MB in the end (delta: 49.3 MB). Free memory was 108.0 MB in the beginning and 155.2 MB in the end (delta: -47.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3875.86 ms. Allocated memory was 200.3 MB in the beginning and 285.2 MB in the end (delta: 84.9 MB). Free memory was 155.2 MB in the beginning and 126.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 115.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42033.31 ms. Allocated memory was 285.2 MB in the beginning and 672.1 MB in the end (delta: 386.9 MB). Free memory was 126.6 MB in the beginning and 559.2 MB in the end (delta: -432.6 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...