/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 18:14:53,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:14:53,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:14:53,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:14:53,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:14:53,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:14:53,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:14:53,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:14:53,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:14:53,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:14:53,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:14:53,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:14:53,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:14:53,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:14:53,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:14:53,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:14:53,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:14:53,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:14:53,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:14:53,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:14:54,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:14:54,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:14:54,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:14:54,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:14:54,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:14:54,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:14:54,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:14:54,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:14:54,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:14:54,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:14:54,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:14:54,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:14:54,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:14:54,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:14:54,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:14:54,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:14:54,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:14:54,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:14:54,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:14:54,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:14:54,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:14:54,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 18:14:54,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:14:54,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:14:54,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:14:54,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:14:54,095 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:14:54,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:14:54,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:14:54,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:14:54,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:14:54,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:14:54,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:14:54,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:14:54,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:14:54,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:14:54,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:14:54,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:14:54,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:14:54,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:14:54,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:14:54,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:14:54,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:14:54,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:14:54,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:14:54,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:14:54,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:14:54,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:14:54,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:14:54,102 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:14:54,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:14:54,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:14:54,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:14:54,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:14:54,512 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:14:54,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-29 18:14:54,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730d9bfb8/0cc01871240d426199461a3ee79990f8/FLAG5e00b7d99 [2020-10-29 18:14:55,563 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:14:55,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-29 18:14:55,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730d9bfb8/0cc01871240d426199461a3ee79990f8/FLAG5e00b7d99 [2020-10-29 18:14:56,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730d9bfb8/0cc01871240d426199461a3ee79990f8 [2020-10-29 18:14:56,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:14:56,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:14:56,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:14:56,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:14:56,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:14:56,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:14:56" (1/1) ... [2020-10-29 18:14:56,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52674c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:56, skipping insertion in model container [2020-10-29 18:14:56,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:14:56" (1/1) ... [2020-10-29 18:14:56,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:14:56,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:14:57,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:14:57,455 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:14:57,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:14:57,935 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:14:57,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57 WrapperNode [2020-10-29 18:14:57,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:14:57,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:14:57,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:14:57,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:14:57,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... [2020-10-29 18:14:57,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... [2020-10-29 18:14:58,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... [2020-10-29 18:14:58,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... [2020-10-29 18:14:58,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... [2020-10-29 18:14:58,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... [2020-10-29 18:14:58,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... [2020-10-29 18:14:58,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:14:58,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:14:58,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:14:58,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:14:58,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:14:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:14:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:14:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:14:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-29 18:14:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-29 18:14:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-10-29 18:14:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-10-29 18:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-29 18:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-10-29 18:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-29 18:14:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 18:14:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-29 18:14:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-29 18:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-29 18:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-29 18:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-29 18:14:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-29 18:14:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-29 18:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:14:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-29 18:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-29 18:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-10-29 18:14:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-10-29 18:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-10-29 18:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-10-29 18:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-29 18:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-29 18:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-10-29 18:14:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-10-29 18:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-10-29 18:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-10-29 18:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-10-29 18:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-10-29 18:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-10-29 18:14:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-10-29 18:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-29 18:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-29 18:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-29 18:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-29 18:14:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-29 18:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-29 18:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-29 18:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-10-29 18:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-29 18:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-29 18:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-29 18:14:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-29 18:14:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-29 18:14:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-29 18:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 18:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 18:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 18:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 18:14:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-29 18:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-29 18:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-29 18:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-29 18:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-29 18:14:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-29 18:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-29 18:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-29 18:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-29 18:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-29 18:14:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-29 18:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-29 18:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-29 18:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-29 18:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-29 18:14:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-29 18:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 18:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-29 18:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-29 18:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 18:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-10-29 18:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-29 18:14:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 18:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-29 18:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-10-29 18:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-29 18:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-29 18:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-29 18:14:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-29 18:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-29 18:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-29 18:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 18:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:14:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-29 18:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:14:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-29 18:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-29 18:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-10-29 18:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-10-29 18:14:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-29 18:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-10-29 18:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-29 18:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 18:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-29 18:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-29 18:14:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 18:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-29 18:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-29 18:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-29 18:14:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-29 18:14:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-29 18:14:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-29 18:14:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-29 18:14:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-29 18:14:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:14:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-29 18:14:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-29 18:14:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-29 18:14:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:14:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-29 18:14:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:14:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:14:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:14:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:14:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:14:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:14:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:14:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-10-29 18:14:58,324 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-10-29 18:14:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-10-29 18:14:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-29 18:14:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-10-29 18:14:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 18:14:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-10-29 18:14:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 18:14:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-29 18:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-29 18:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-29 18:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-29 18:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-10-29 18:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-29 18:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-29 18:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-10-29 18:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-10-29 18:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-29 18:14:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-29 18:14:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:14:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:14:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:14:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 18:14:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 18:14:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:14:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 18:14:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 18:14:59,159 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:15:01,972 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:15:01,972 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 18:15:01,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:15:01 BoogieIcfgContainer [2020-10-29 18:15:01,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:15:01,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:15:01,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:15:01,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:15:01,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:14:56" (1/3) ... [2020-10-29 18:15:01,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a7ef2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:15:01, skipping insertion in model container [2020-10-29 18:15:01,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:14:57" (2/3) ... [2020-10-29 18:15:01,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a7ef2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:15:01, skipping insertion in model container [2020-10-29 18:15:01,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:15:01" (3/3) ... [2020-10-29 18:15:01,990 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-10-29 18:15:02,002 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:15:02,009 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:15:02,023 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:15:02,070 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:15:02,071 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:15:02,071 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:15:02,071 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:15:02,071 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:15:02,071 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:15:02,071 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:15:02,071 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:15:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states. [2020-10-29 18:15:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-29 18:15:02,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:15:02,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:15:02,147 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:15:02,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:15:02,157 INFO L82 PathProgramCache]: Analyzing trace with hash -652068192, now seen corresponding path program 1 times [2020-10-29 18:15:02,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:15:02,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492022999] [2020-10-29 18:15:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:15:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:02,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:02,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:02,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:04,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:07,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:07,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 18:15:07,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 18:15:07,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 18:15:07,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:07,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:07,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:15:07,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-29 18:15:07,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 18:15:07,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 18:15:08,293 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 18:15:08,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:15:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:08,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 18:15:08,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:15:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:08,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:15:08,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:08,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:15:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:08,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:15:08,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:08,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:15:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:15:08,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 18:15:08,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:15:08,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:08,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:15:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:08,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:15:08,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:15:08,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:08,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 18:15:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:08,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:15:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 18:15:08,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:15:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 18:15:08,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 18:15:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:08,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:15:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 18:15:08,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:08,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:15:08,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:15:08,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 18:15:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 18:15:08,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 18:15:08,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 18:15:08,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:08,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:15:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 18:15:08,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:15:08,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:15:08,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:08,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:15:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:15:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 18:15:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:08,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:08,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:08,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:08,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 18:15:08,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:08,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:15:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:15:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:08,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 18:15:08,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492022999] [2020-10-29 18:15:08,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:15:08,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 18:15:08,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621025849] [2020-10-29 18:15:09,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 18:15:09,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:15:09,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 18:15:09,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-29 18:15:09,018 INFO L87 Difference]: Start difference. First operand 549 states. Second operand 11 states. [2020-10-29 18:15:15,047 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-29 18:15:18,459 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 225 [2020-10-29 18:15:19,037 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-29 18:15:19,530 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-29 18:15:27,283 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-29 18:15:27,957 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-29 18:15:33,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:15:33,010 INFO L93 Difference]: Finished difference Result 1916 states and 2642 transitions. [2020-10-29 18:15:33,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 18:15:33,012 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-10-29 18:15:33,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:15:33,052 INFO L225 Difference]: With dead ends: 1916 [2020-10-29 18:15:33,052 INFO L226 Difference]: Without dead ends: 1358 [2020-10-29 18:15:33,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2020-10-29 18:15:33,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2020-10-29 18:15:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1009. [2020-10-29 18:15:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-10-29 18:15:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1262 transitions. [2020-10-29 18:15:33,356 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1262 transitions. Word has length 68 [2020-10-29 18:15:33,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:15:33,357 INFO L481 AbstractCegarLoop]: Abstraction has 1009 states and 1262 transitions. [2020-10-29 18:15:33,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 18:15:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1262 transitions. [2020-10-29 18:15:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-29 18:15:33,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:15:33,368 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:15:33,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:15:33,368 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:15:33,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:15:33,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1592544134, now seen corresponding path program 1 times [2020-10-29 18:15:33,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:15:33,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201899300] [2020-10-29 18:15:33,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:15:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:33,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:33,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:33,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:33,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:33,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:38,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:38,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-29 18:15:38,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 18:15:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-29 18:15:38,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:38,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:38,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 18:15:38,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-29 18:15:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 18:15:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:38,978 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-29 18:15:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:15:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:38,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:39,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:39,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-29 18:15:39,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:39,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:39,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:39,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:15:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:39,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:39,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:39,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:15:39,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:39,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:39,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:15:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:39,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:39,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:15:39,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:39,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:39,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:39,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:15:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:39,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:15:39,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:39,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:15:39,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:39,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:39,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:39,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:39,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:15:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:39,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:39,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:15:39,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:39,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:39,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:39,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 18:15:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:39,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:39,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:39,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:15:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:15:39,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:39,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:39,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:15:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:15:39,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:15:39,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:39,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 18:15:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:39,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:39,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:39,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:15:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:15:39,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:39,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:15:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:15:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:15:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:39,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 18:15:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:39,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:40,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:40,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-29 18:15:40,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:15:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1551 [2020-10-29 18:15:40,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:40,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 18:15:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-29 18:15:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 18:15:40,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 18:15:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:40,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:40,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:40,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 18:15:40,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:15:40,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:40,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:40,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:40,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:40,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:40,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:40,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:40,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:40,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:15:40,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:40,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:40,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:41,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 18:15:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:15:41,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:15:41,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:41,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:15:41,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:41,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:15:41,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:41,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:41,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:41,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:41,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 18:15:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:15:41,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 18:15:41,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:15:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:41,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 18:15:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:41,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:41,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:15:41,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:15:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:15:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:41,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 18:15:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:41,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 18:15:41,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:15:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:15:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:15:41,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 18:15:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:41,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:15:41,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:41,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:15:41,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:41,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 18:15:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:15:41,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:15:41,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:41,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 18:15:41,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:41,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:41,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:41,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:41,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:41,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:41,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:15:41,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:41,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:41,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:41,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:41,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 18:15:41,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 18:15:41,378 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-10-29 18:15:41,386 INFO L168 Benchmark]: Toolchain (without parser) took 45306.37 ms. Allocated memory was 151.0 MB in the beginning and 682.6 MB in the end (delta: 531.6 MB). Free memory was 118.4 MB in the beginning and 457.9 MB in the end (delta: -339.5 MB). Peak memory consumption was 193.1 MB. Max. memory is 8.0 GB. [2020-10-29 18:15:41,389 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 18:15:41,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1851.48 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 117.7 MB in the beginning and 132.2 MB in the end (delta: -14.5 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. [2020-10-29 18:15:41,395 INFO L168 Benchmark]: Boogie Preprocessor took 222.48 ms. Allocated memory is still 190.8 MB. Free memory was 132.2 MB in the beginning and 122.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 18:15:41,396 INFO L168 Benchmark]: RCFGBuilder took 3817.14 ms. Allocated memory was 190.8 MB in the beginning and 316.7 MB in the end (delta: 125.8 MB). Free memory was 122.7 MB in the beginning and 153.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 100.7 MB. Max. memory is 8.0 GB. [2020-10-29 18:15:41,397 INFO L168 Benchmark]: TraceAbstraction took 39403.79 ms. Allocated memory was 316.7 MB in the beginning and 682.6 MB in the end (delta: 366.0 MB). Free memory was 153.1 MB in the beginning and 457.9 MB in the end (delta: -304.8 MB). Peak memory consumption was 61.7 MB. Max. memory is 8.0 GB. [2020-10-29 18:15:41,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1851.48 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 117.7 MB in the beginning and 132.2 MB in the end (delta: -14.5 MB). Peak memory consumption was 65.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 222.48 ms. Allocated memory is still 190.8 MB. Free memory was 132.2 MB in the beginning and 122.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3817.14 ms. Allocated memory was 190.8 MB in the beginning and 316.7 MB in the end (delta: 125.8 MB). Free memory was 122.7 MB in the beginning and 153.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 100.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39403.79 ms. Allocated memory was 316.7 MB in the beginning and 682.6 MB in the end (delta: 366.0 MB). Free memory was 153.1 MB in the beginning and 457.9 MB in the end (delta: -304.8 MB). Peak memory consumption was 61.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...