/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -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 0.1.25-c90d42b [2020-09-25 03:56:21,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:56:21,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:56:21,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:56:21,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:56:21,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:56:21,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:56:21,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:56:21,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:56:21,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:56:21,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:56:21,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:56:21,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:56:21,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:56:21,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:56:21,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:56:21,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:56:21,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:56:21,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:56:21,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:56:21,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:56:21,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:56:21,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:56:21,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:56:21,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:56:21,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:56:21,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:56:21,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:56:21,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:56:21,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:56:21,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:56:21,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:56:21,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:56:21,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:56:21,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:56:21,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:56:21,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:56:21,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:56:21,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:56:21,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:56:21,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:56:21,854 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 [2020-09-25 03:56:21,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:56:21,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:56:21,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:56:21,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:56:21,885 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:56:21,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:56:21,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:56:21,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:56:21,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:56:21,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:56:21,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:56:21,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:56:21,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:56:21,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:56:21,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:56:21,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:56:21,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:56:21,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:56:21,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:56:21,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:56:21,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:56:21,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:56:21,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:56:21,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:56:21,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:56:21,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:56:21,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 03:56:21,890 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:56:22,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:56:22,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:56:22,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:56:22,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:56:22,357 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:56:22,359 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 03:56:22,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/008e0dc87/c22b5d8d8cae4198bddd09db46fa752e/FLAG3b4efad3d [2020-09-25 03:56:23,273 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:56:23,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 03:56:23,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/008e0dc87/c22b5d8d8cae4198bddd09db46fa752e/FLAG3b4efad3d [2020-09-25 03:56:23,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/008e0dc87/c22b5d8d8cae4198bddd09db46fa752e [2020-09-25 03:56:23,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:56:23,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:56:23,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:56:23,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:56:23,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:56:23,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:56:23" (1/1) ... [2020-09-25 03:56:23,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efc6f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:23, skipping insertion in model container [2020-09-25 03:56:23,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:56:23" (1/1) ... [2020-09-25 03:56:23,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:56:23,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:56:25,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:56:25,407 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:56:25,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:56:25,813 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:56:25,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25 WrapperNode [2020-09-25 03:56:25,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:56:25,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:56:25,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:56:25,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:56:25,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (1/1) ... [2020-09-25 03:56:25,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (1/1) ... [2020-09-25 03:56:25,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (1/1) ... [2020-09-25 03:56:25,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (1/1) ... [2020-09-25 03:56:26,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (1/1) ... [2020-09-25 03:56:26,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (1/1) ... [2020-09-25 03:56:26,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (1/1) ... [2020-09-25 03:56:26,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:56:26,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:56:26,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:56:26,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:56:26,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (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 [2020-09-25 03:56:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:56:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:56:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-25 03:56:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-25 03:56:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-25 03:56:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-25 03:56:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-25 03:56:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-25 03:56:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 03:56:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 03:56:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 03:56:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 03:56:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-25 03:56:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-25 03:56:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-25 03:56:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 03:56:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-25 03:56:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:56:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 03:56:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 03:56:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 03:56:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 03:56:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 03:56:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 03:56:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 03:56:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 03:56:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 03:56:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-25 03:56:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-25 03:56:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-25 03:56:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-25 03:56:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-25 03:56:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 03:56:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-25 03:56:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-25 03:56:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-25 03:56:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-25 03:56:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-25 03:56:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-25 03:56:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-25 03:56:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-25 03:56:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-25 03:56:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-25 03:56:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 03:56:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:56:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 03:56:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 03:56:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 03:56:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 03:56:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 03:56:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-25 03:56:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-25 03:56:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 03:56:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 03:56:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 03:56:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 03:56:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 03:56:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 03:56:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 03:56:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 03:56:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 03:56:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 03:56:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 03:56:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 03:56:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 03:56:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 03:56:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 03:56:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 03:56:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 03:56:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 03:56:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-25 03:56:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-25 03:56:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 03:56:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 03:56:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-25 03:56:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 03:56:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-25 03:56:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 03:56:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 03:56:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 03:56:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-25 03:56:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 03:56:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 03:56:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-25 03:56:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 03:56:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 03:56:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 03:56:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-25 03:56:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 03:56:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-25 03:56:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 03:56:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 03:56:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-25 03:56:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 03:56:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 03:56:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 03:56:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 03:56:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-25 03:56:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:56:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 03:56:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-25 03:56:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-25 03:56:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-25 03:56:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:56:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-25 03:56:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-25 03:56:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-25 03:56:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-25 03:56:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 03:56:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-25 03:56:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 03:56:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 03:56:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:56:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 03:56:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 03:56:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 03:56:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 03:56:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 03:56:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 03:56:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-25 03:56:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 03:56:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:56:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 03:56:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-25 03:56:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-25 03:56:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:56:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-25 03:56:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 03:56:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 03:56:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 03:56:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 03:56:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-25 03:56:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-25 03:56:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 03:56:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:56:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 03:56:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:56:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 03:56:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:56:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:56:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 03:56:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:56:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 03:56:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 03:56:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 03:56:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 03:56:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 03:56:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 03:56:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 03:56:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-25 03:56:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 03:56:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 03:56:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 03:56:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-25 03:56:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-25 03:56:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-25 03:56:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-25 03:56:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-25 03:56:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-25 03:56:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 03:56:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-25 03:56:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 03:56:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-25 03:56:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 03:56:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-25 03:56:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-25 03:56:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 03:56:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 03:56:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 03:56:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-25 03:56:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-25 03:56:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 03:56:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 03:56:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 03:56:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 03:56:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-25 03:56:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-25 03:56:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-25 03:56:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-25 03:56:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-25 03:56:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:56:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-25 03:56:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-25 03:56:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-25 03:56:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-25 03:56:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:56:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-25 03:56:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-25 03:56:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 03:56:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 03:56:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 03:56:26,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 03:56:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:56:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 03:56:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 03:56:26,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 03:56:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 03:56:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 03:56:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 03:56:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 03:56:26,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 03:56:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 03:56:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 03:56:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 03:56:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 03:56:26,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 03:56:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 03:56:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 03:56:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 03:56:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:56:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 03:56:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:56:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 03:56:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:56:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 03:56:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:56:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 03:56:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 03:56:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 03:56:26,924 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 03:56:28,354 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:56:28,355 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 03:56:28,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:56:28 BoogieIcfgContainer [2020-09-25 03:56:28,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:56:28,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:56:28,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:56:28,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:56:28,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:56:23" (1/3) ... [2020-09-25 03:56:28,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a4ed72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:56:28, skipping insertion in model container [2020-09-25 03:56:28,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:25" (2/3) ... [2020-09-25 03:56:28,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a4ed72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:56:28, skipping insertion in model container [2020-09-25 03:56:28,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:56:28" (3/3) ... [2020-09-25 03:56:28,386 INFO L109 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 [2020-09-25 03:56:28,403 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:56:28,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:56:28,444 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:56:28,494 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:56:28,494 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:56:28,494 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:56:28,495 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:56:28,495 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:56:28,495 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:56:28,495 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:56:28,495 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:56:28,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-25 03:56:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 03:56:28,610 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:28,616 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:28,617 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:28,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:28,630 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-25 03:56:28,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:28,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008895337] [2020-09-25 03:56:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:29,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:30,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:33,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 03:56:34,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:56:34,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 03:56:34,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:56:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 03:56:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:56:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:56:34,872 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 03:56:34,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:35,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 03:56:35,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:35,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-25 03:56:35,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:35,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:35,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:35,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:56:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:35,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:35,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:35,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 03:56:35,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 03:56:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:35,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:35,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:56:35,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:35,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 03:56:35,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:35,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:35,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 03:56:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:35,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:35,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 03:56:35,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:35,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 03:56:35,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:56:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:35,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:35,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:35,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:56:35,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:35,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 03:56:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:56:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:35,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 03:56:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:35,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:35,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:35,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 03:56:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:56:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 03:56:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:35,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 03:56:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:35,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:35,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:36,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:36,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:36,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:36,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 03:56:36,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:36,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:56:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 03:56:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:36,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 03:56:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:36,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:36,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:36,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:56:36,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:36,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 03:56:36,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 03:56:36,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:36,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:36,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:36,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 03:56:36,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:36,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 03:56:36,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:36,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:56:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:36,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:36,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:36,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:56:36,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:36,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:36,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 03:56:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:36,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:36,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:36,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:56:36,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 03:56:36,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:56:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:36,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:56:36,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 03:56:36,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008895337] [2020-09-25 03:56:36,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:36,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 03:56:36,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483364824] [2020-09-25 03:56:36,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 03:56:36,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:36,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 03:56:36,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:56:36,478 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 13 states. [2020-09-25 03:56:37,276 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 03:56:38,232 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:56:38,621 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 03:56:40,632 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-25 03:56:41,114 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 03:56:41,552 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 03:56:41,952 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 03:56:51,483 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 03:56:51,979 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:56:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:57,783 INFO L93 Difference]: Finished difference Result 3807 states and 4454 transitions. [2020-09-25 03:56:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 03:56:57,785 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 230 [2020-09-25 03:56:57,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:57,824 INFO L225 Difference]: With dead ends: 3807 [2020-09-25 03:56:57,824 INFO L226 Difference]: Without dead ends: 2739 [2020-09-25 03:56:57,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=359, Invalid=1047, Unknown=0, NotChecked=0, Total=1406 [2020-09-25 03:56:57,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2020-09-25 03:56:58,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2217. [2020-09-25 03:56:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2217 states. [2020-09-25 03:56:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2470 transitions. [2020-09-25 03:56:58,137 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2470 transitions. Word has length 230 [2020-09-25 03:56:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:58,138 INFO L479 AbstractCegarLoop]: Abstraction has 2217 states and 2470 transitions. [2020-09-25 03:56:58,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 03:56:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2470 transitions. [2020-09-25 03:56:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2020-09-25 03:56:58,153 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:58,153 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:58,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:56:58,154 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:58,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:58,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1173982664, now seen corresponding path program 1 times [2020-09-25 03:56:58,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:58,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005555860] [2020-09-25 03:56:58,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:58,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:58,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:59,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:03,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:03,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 540 [2020-09-25 03:57:03,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:57:03,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 03:57:03,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:03,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 03:57:03,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 330 [2020-09-25 03:57:03,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 03:57:03,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:03,699 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 03:57:03,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:57:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:03,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:03,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:03,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 03:57:03,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-25 03:57:03,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:03,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:57:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:04,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:04,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:57:04,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:04,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 03:57:04,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 03:57:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:04,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:04,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:57:04,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 03:57:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:04,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 03:57:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:04,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:04,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 03:57:04,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:04,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 03:57:04,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:04,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:04,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:57:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:04,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:04,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:57:04,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:04,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 03:57:04,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:04,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:04,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:04,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:57:04,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 03:57:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:04,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:04,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:57:04,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:57:04,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-25 03:57:04,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:57:04,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 03:57:04,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:57:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:04,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 03:57:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:04,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:57:04,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:57:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-09-25 03:57:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:57:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 03:57:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:57:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:04,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 03:57:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:07,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:07,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 03:57:07,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:57:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2898 [2020-09-25 03:57:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 03:57:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 03:57:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 03:57:07,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:07,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 03:57:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:07,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:07,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:07,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:57:07,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 03:57:07,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:07,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:07,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:57:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:07,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:07,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:07,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:57:07,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:07,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 03:57:07,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:07,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:07,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:07,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:07,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 03:57:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:07,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:07,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:07,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 03:57:07,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:07,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 03:57:07,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:07,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:07,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:57:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:07,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:07,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:07,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:57:07,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:07,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 03:57:07,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:07,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:07,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:07,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-25 03:57:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:08,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:08,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:08,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 03:57:08,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:08,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 03:57:08,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:57:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 03:57:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:08,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:57:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:08,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:08,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:08,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:57:08,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:08,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 03:57:08,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:08,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:57:08,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:08,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 03:57:08,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:57:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:57:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:08,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:08,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:57:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 03:57:08,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:57:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:57:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:08,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:57:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:08,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:08,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:08,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:57:08,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:08,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 03:57:08,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:57:08,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:08,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:08,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 03:57:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:08,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:08,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 03:57:08,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:08,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 03:57:08,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 03:57:08,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:08,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:08,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:57:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:57:08,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:57:08,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:57:08,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:57:08,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:57:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 03:57:08,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:57:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:57:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:57:08,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:57:08,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:57:08,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:57:08,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:57:08,651 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:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) 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 [2020-09-25 03:57:08,657 INFO L168 Benchmark]: Toolchain (without parser) took 44820.20 ms. Allocated memory was 140.5 MB in the beginning and 744.5 MB in the end (delta: 604.0 MB). Free memory was 95.3 MB in the beginning and 111.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 588.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:57:08,659 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:57:08,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1972.78 ms. Allocated memory was 140.5 MB in the beginning and 226.0 MB in the end (delta: 85.5 MB). Free memory was 94.7 MB in the beginning and 117.7 MB in the end (delta: -22.9 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. [2020-09-25 03:57:08,666 INFO L168 Benchmark]: Boogie Preprocessor took 234.27 ms. Allocated memory is still 226.0 MB. Free memory was 117.7 MB in the beginning and 107.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:57:08,667 INFO L168 Benchmark]: RCFGBuilder took 2323.77 ms. Allocated memory was 226.0 MB in the beginning and 265.8 MB in the end (delta: 39.8 MB). Free memory was 107.5 MB in the beginning and 149.4 MB in the end (delta: -41.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2020-09-25 03:57:08,668 INFO L168 Benchmark]: TraceAbstraction took 40277.79 ms. Allocated memory was 265.8 MB in the beginning and 744.5 MB in the end (delta: 478.7 MB). Free memory was 149.4 MB in the beginning and 111.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 517.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:57:08,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1972.78 ms. Allocated memory was 140.5 MB in the beginning and 226.0 MB in the end (delta: 85.5 MB). Free memory was 94.7 MB in the beginning and 117.7 MB in the end (delta: -22.9 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 234.27 ms. Allocated memory is still 226.0 MB. Free memory was 117.7 MB in the beginning and 107.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2323.77 ms. Allocated memory was 226.0 MB in the beginning and 265.8 MB in the end (delta: 39.8 MB). Free memory was 107.5 MB in the beginning and 149.4 MB in the end (delta: -41.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40277.79 ms. Allocated memory was 265.8 MB in the beginning and 744.5 MB in the end (delta: 478.7 MB). Free memory was 149.4 MB in the beginning and 111.1 MB in the end (delta: 38.3 MB). Peak memory consumption was 517.0 MB. Max. memory is 7.1 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...