/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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 10:46:21,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:46:21,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:46:21,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:46:21,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:46:21,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:46:21,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:46:21,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:46:21,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:46:21,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:46:21,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:46:21,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:46:21,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:46:21,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:46:21,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:46:21,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:46:21,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:46:21,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:46:21,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:46:21,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:46:21,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:46:21,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:46:21,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:46:21,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:46:21,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:46:21,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:46:21,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:46:21,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:46:21,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:46:21,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:46:21,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:46:21,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:46:21,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:46:21,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:46:21,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:46:21,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:46:21,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:46:21,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:46:21,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:46:21,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:46:21,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:46:21,831 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 10:46:21,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:46:21,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:46:21,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:46:21,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:46:21,873 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:46:21,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:46:21,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:46:21,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:46:21,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:46:21,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:46:21,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:46:21,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:46:21,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:46:21,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:46:21,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:46:21,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:46:21,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:46:21,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:46:21,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:46:21,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:46:21,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:46:21,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:46:21,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:46:21,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:46:21,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:46:21,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:46:21,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 10:46:21,879 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:46:22,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:46:22,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:46:22,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:46:22,384 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:46:22,386 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:46:22,387 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 10:46:22,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a14b74be0/a321ee26f0d942c48241bbfe7e673c92/FLAG507061499 [2020-09-25 10:46:23,339 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:46:23,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 10:46:23,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a14b74be0/a321ee26f0d942c48241bbfe7e673c92/FLAG507061499 [2020-09-25 10:46:23,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a14b74be0/a321ee26f0d942c48241bbfe7e673c92 [2020-09-25 10:46:23,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:46:23,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:46:23,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:23,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:46:23,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:46:23,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:23" (1/1) ... [2020-09-25 10:46:23,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc46334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:23, skipping insertion in model container [2020-09-25 10:46:23,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:23" (1/1) ... [2020-09-25 10:46:23,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:46:24,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:46:25,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:25,409 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:46:25,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:25,762 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:46:25,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25 WrapperNode [2020-09-25 10:46:25,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:25,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:46:25,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:46:25,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:46:25,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (1/1) ... [2020-09-25 10:46:25,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (1/1) ... [2020-09-25 10:46:25,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (1/1) ... [2020-09-25 10:46:25,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (1/1) ... [2020-09-25 10:46:26,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (1/1) ... [2020-09-25 10:46:26,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (1/1) ... [2020-09-25 10:46:26,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (1/1) ... [2020-09-25 10:46:26,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:46:26,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:46:26,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:46:26,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:46:26,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (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 10:46:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:46:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:46:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-25 10:46:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-25 10:46:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-25 10:46:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-25 10:46:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-25 10:46:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-25 10:46:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 10:46:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 10:46:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 10:46:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 10:46:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-25 10:46:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-25 10:46:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-25 10:46:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 10:46:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-25 10:46:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 10:46:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 10:46:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 10:46:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 10:46:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 10:46:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 10:46:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 10:46:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 10:46:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 10:46:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 10:46:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-25 10:46:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-25 10:46:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-25 10:46:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-25 10:46:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-25 10:46:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 10:46:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-25 10:46:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-25 10:46:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-25 10:46:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-25 10:46:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-25 10:46:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-25 10:46:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-25 10:46:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-25 10:46:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-25 10:46:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-25 10:46:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 10:46:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:46:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 10:46:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 10:46:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 10:46:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 10:46:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 10:46:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-25 10:46:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-25 10:46:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 10:46:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 10:46:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 10:46:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 10:46:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 10:46:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 10:46:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 10:46:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 10:46:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 10:46:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 10:46:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 10:46:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 10:46:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 10:46:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 10:46:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 10:46:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 10:46:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 10:46:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 10:46:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-25 10:46:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-25 10:46:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 10:46:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 10:46:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-25 10:46:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 10:46:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-25 10:46:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 10:46:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 10:46:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 10:46:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-25 10:46:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 10:46:26,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 10:46:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-25 10:46:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 10:46:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 10:46:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 10:46:26,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-25 10:46:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 10:46:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-25 10:46:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 10:46:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 10:46:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-25 10:46:26,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 10:46:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 10:46:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 10:46:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 10:46:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-25 10:46:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:46:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 10:46:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-25 10:46:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-25 10:46:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-25 10:46:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:46:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-25 10:46:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-25 10:46:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-25 10:46:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-25 10:46:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 10:46:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-25 10:46:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 10:46:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 10:46:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:46:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 10:46:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 10:46:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 10:46:26,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 10:46:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 10:46:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 10:46:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-25 10:46:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 10:46:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:46:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 10:46:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-25 10:46:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-25 10:46:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:46:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-25 10:46:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 10:46:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 10:46:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 10:46:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 10:46:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-25 10:46:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-25 10:46:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 10:46:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:46:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 10:46:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:46:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 10:46:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 10:46:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 10:46:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 10:46:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:46:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 10:46:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 10:46:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 10:46:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 10:46:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 10:46:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 10:46:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 10:46:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-25 10:46:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 10:46:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 10:46:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 10:46:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-25 10:46:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-25 10:46:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-25 10:46:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-25 10:46:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-25 10:46:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-25 10:46:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 10:46:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-25 10:46:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 10:46:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-25 10:46:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 10:46:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-25 10:46:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-25 10:46:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 10:46:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 10:46:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 10:46:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-25 10:46:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-25 10:46:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 10:46:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 10:46:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 10:46:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 10:46:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-25 10:46:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-25 10:46:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-25 10:46:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-25 10:46:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-25 10:46:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:46:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-25 10:46:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-25 10:46:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-25 10:46:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-25 10:46:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:46:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-25 10:46:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-25 10:46:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 10:46:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 10:46:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 10:46:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 10:46:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:46:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 10:46:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 10:46:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 10:46:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 10:46:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 10:46:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 10:46:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 10:46:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 10:46:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 10:46:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 10:46:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 10:46:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 10:46:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 10:46:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 10:46:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 10:46:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 10:46:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:46:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 10:46:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:46:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 10:46:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:46:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 10:46:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:46:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 10:46:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 10:46:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 10:46:27,276 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 10:46:28,656 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:46:28,656 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 10:46:28,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:28 BoogieIcfgContainer [2020-09-25 10:46:28,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:46:28,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:46:28,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:46:28,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:46:28,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:46:23" (1/3) ... [2020-09-25 10:46:28,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f239b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:28, skipping insertion in model container [2020-09-25 10:46:28,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:25" (2/3) ... [2020-09-25 10:46:28,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f239b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:28, skipping insertion in model container [2020-09-25 10:46:28,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:28" (3/3) ... [2020-09-25 10:46:28,682 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 10:46:28,694 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:46:28,706 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:46:28,730 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:46:28,766 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:46:28,766 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:46:28,766 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:46:28,766 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:46:28,767 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:46:28,767 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:46:28,767 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:46:28,767 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:46:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-25 10:46:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 10:46:28,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:28,833 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 10:46:28,833 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:28,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:28,842 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-25 10:46:28,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:28,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568507603] [2020-09-25 10:46:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:29,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:29,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:30,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:34,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 10:46:34,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:46:34,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-09-25 10:46:34,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:34,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:46:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 10:46:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 10:46:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:46:35,106 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 10:46:35,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:35,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:35,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:35,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 10:46:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 10:46:35,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:35,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:35,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:46:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:35,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:35,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 10:46:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:35,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:35,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:35,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 10:46:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:35,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:35,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:35,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:46:35,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:35,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 10:46:35,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:35,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:35,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:35,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 10:46:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:35,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:35,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:35,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:46:35,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 10:46:35,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:35,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:46:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:35,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:35,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:35,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:46:35,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 10:46:35,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:35,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:35,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 10:46:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:35,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:35,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:36,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:36,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 10:46:36,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:36,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:36,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:36,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 10:46:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:36,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:36,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:36,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:36,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-25 10:46:36,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:36,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 10:46:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:36,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:36,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:46:36,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:36,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 10:46:36,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:36,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:36,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 10:46:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:36,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:36,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:46:36,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:36,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 10:46:36,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:36,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:36,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:36,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:36,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:36,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:46:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:36,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:36,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:36,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:36,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 10:46:36,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:36,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:36,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:36,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:36,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 10:46:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:36,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:36,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:36,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:46:36,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:36,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 10:46:36,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:36,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:46:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:46:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:36,659 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 10:46:36,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568507603] [2020-09-25 10:46:36,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:36,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:46:36,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046082656] [2020-09-25 10:46:36,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:46:36,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:36,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:46:36,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:46:36,691 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 11 states. [2020-09-25 10:46:37,877 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 10:46:41,255 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-25 10:46:41,789 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 10:46:42,227 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 10:46:42,640 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 10:46:52,504 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 10:46:53,031 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 10:46:59,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:59,392 INFO L93 Difference]: Finished difference Result 3963 states and 4686 transitions. [2020-09-25 10:46:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 10:46:59,397 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-25 10:46:59,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:59,441 INFO L225 Difference]: With dead ends: 3963 [2020-09-25 10:46:59,441 INFO L226 Difference]: Without dead ends: 2882 [2020-09-25 10:46:59,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 10:46:59,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-09-25 10:46:59,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2216. [2020-09-25 10:46:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-25 10:46:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2469 transitions. [2020-09-25 10:46:59,750 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2469 transitions. Word has length 230 [2020-09-25 10:46:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:59,752 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2469 transitions. [2020-09-25 10:46:59,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 10:46:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2469 transitions. [2020-09-25 10:46:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-25 10:46:59,771 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:59,772 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:59,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:46:59,772 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:59,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:59,773 INFO L82 PathProgramCache]: Analyzing trace with hash 306965196, now seen corresponding path program 1 times [2020-09-25 10:46:59,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:59,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247823566] [2020-09-25 10:46:59,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:00,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:00,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:05,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:05,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-09-25 10:47:05,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:47:05,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5076 [2020-09-25 10:47:05,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:05,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:05,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 10:47:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 322 [2020-09-25 10:47:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 10:47:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:05,481 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 10:47:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:47:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:05,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:05,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:05,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 10:47:05,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-25 10:47:05,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:05,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 10:47:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:05,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:05,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:47:05,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:05,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 10:47:05,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:05,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:05,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:05,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:05,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 10:47:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:05,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:05,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:05,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:47:05,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 10:47:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:05,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:05,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 10:47:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:05,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:05,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:05,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:47:05,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:05,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 10:47:05,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:05,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:05,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:05,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:47:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:05,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:05,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:47:05,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:05,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 10:47:05,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:05,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:06,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:06,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 10:47:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:06,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:06,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:06,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:06,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:47:06,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:47:06,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 10:47:06,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:06,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 10:47:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 10:47:06,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:47:06,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:06,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 10:47:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:06,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:06,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:06,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:06,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:47:06,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:47:06,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 10:47:06,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:06,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:06,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 10:47:06,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 10:47:06,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:47:06,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 10:47:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:06,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:06,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:09,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:09,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 10:47:09,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:47:09,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3265 [2020-09-25 10:47:09,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:09,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 10:47:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 10:47:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 10:47:09,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:09,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 10:47:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:09,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:09,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:09,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 10:47:09,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:09,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 10:47:09,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:09,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:09,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:47:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:09,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:09,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:09,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:47:09,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:09,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 10:47:09,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:09,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:09,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:09,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:09,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:09,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:09,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 10:47:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:09,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:09,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:09,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 10:47:09,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 10:47:09,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:09,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:09,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:09,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:09,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:47:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:09,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:10,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:10,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:47:10,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:10,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 10:47:10,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:10,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:10,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:10,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-25 10:47:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:10,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:10,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:10,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 10:47:10,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:10,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-25 10:47:10,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:10,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:47:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 10:47:10,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:10,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:47:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:10,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:10,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:10,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:47:10,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:10,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 10:47:10,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:10,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 10:47:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:10,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 10:47:10,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:10,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 10:47:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:10,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:10,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:10,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:47:10,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 10:47:10,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:10,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:47:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:47:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:47:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 10:47:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:10,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:10,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:10,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:47:10,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:10,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 10:47:10,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:10,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:47:10,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:10,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 10:47:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:10,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:10,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:10,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 10:47:10,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:10,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 10:47:10,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:10,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 10:47:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:10,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:47:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:47:10,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:47:10,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:47:10,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 10:47:10,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:47:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 10:47:10,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:47:10,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:47:10,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:47:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:47:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:47:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:47:10,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 10:47:10,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:47:10,831 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 10:47:10,838 INFO L168 Benchmark]: Toolchain (without parser) took 46948.08 ms. Allocated memory was 138.4 MB in the beginning and 803.7 MB in the end (delta: 665.3 MB). Free memory was 93.4 MB in the beginning and 138.8 MB in the end (delta: -45.5 MB). Peak memory consumption was 619.9 MB. Max. memory is 7.1 GB. [2020-09-25 10:47:10,840 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 10:47:10,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1867.02 ms. Allocated memory was 138.4 MB in the beginning and 218.6 MB in the end (delta: 80.2 MB). Free memory was 92.7 MB in the beginning and 107.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2020-09-25 10:47:10,847 INFO L168 Benchmark]: Boogie Preprocessor took 281.42 ms. Allocated memory is still 218.6 MB. Free memory was 107.8 MB in the beginning and 98.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-09-25 10:47:10,848 INFO L168 Benchmark]: RCFGBuilder took 2625.46 ms. Allocated memory was 218.6 MB in the beginning and 275.3 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 172.4 MB in the end (delta: -73.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-09-25 10:47:10,849 INFO L168 Benchmark]: TraceAbstraction took 42162.84 ms. Allocated memory was 275.3 MB in the beginning and 803.7 MB in the end (delta: 528.5 MB). Free memory was 172.4 MB in the beginning and 138.8 MB in the end (delta: 33.6 MB). Peak memory consumption was 562.1 MB. Max. memory is 7.1 GB. [2020-09-25 10:47:10,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1867.02 ms. Allocated memory was 138.4 MB in the beginning and 218.6 MB in the end (delta: 80.2 MB). Free memory was 92.7 MB in the beginning and 107.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 281.42 ms. Allocated memory is still 218.6 MB. Free memory was 107.8 MB in the beginning and 98.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2625.46 ms. Allocated memory was 218.6 MB in the beginning and 275.3 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 172.4 MB in the end (delta: -73.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 42162.84 ms. Allocated memory was 275.3 MB in the beginning and 803.7 MB in the end (delta: 528.5 MB). Free memory was 172.4 MB in the beginning and 138.8 MB in the end (delta: 33.6 MB). Peak memory consumption was 562.1 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...