/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:08:25,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:08:25,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:08:25,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:08:25,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:08:25,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:08:25,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:08:25,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:08:25,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:08:25,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:08:25,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:08:25,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:08:25,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:08:25,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:08:25,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:08:25,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:08:25,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:08:25,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:08:25,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:08:25,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:08:25,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:08:25,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:08:25,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:08:25,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:08:25,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:08:25,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:08:25,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:08:25,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:08:25,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:08:25,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:08:25,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:08:25,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:08:25,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:08:25,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:08:25,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:08:25,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:08:25,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:08:25,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:08:25,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:08:25,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:08:25,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:08:25,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 14:08:25,188 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:08:25,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:08:25,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:08:25,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:08:25,190 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:08:25,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:08:25,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:08:25,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:08:25,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:08:25,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:08:25,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:08:25,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:08:25,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:08:25,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:08:25,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:08:25,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:08:25,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:08:25,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:08:25,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:08:25,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:08:25,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:08:25,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:08:25,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:08:25,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:08:25,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:08:25,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:08:25,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 14:08:25,196 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 14:08:25,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:08:25,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:08:25,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:08:25,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:08:25,675 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:08:25,676 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 14:08:25,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/480c728d9/8080475f291849e2bb06c11b81cc1b2e/FLAG0e0968241 [2020-09-25 14:08:26,622 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:08:26,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 14:08:26,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/480c728d9/8080475f291849e2bb06c11b81cc1b2e/FLAG0e0968241 [2020-09-25 14:08:27,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/480c728d9/8080475f291849e2bb06c11b81cc1b2e [2020-09-25 14:08:27,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:08:27,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:08:27,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:27,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:08:27,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:08:27,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:27" (1/1) ... [2020-09-25 14:08:27,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368a0f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:27, skipping insertion in model container [2020-09-25 14:08:27,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:27" (1/1) ... [2020-09-25 14:08:27,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:08:27,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:08:28,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:28,747 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:08:28,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:29,050 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:08:29,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29 WrapperNode [2020-09-25 14:08:29,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:29,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:08:29,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:08:29,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:08:29,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... [2020-09-25 14:08:29,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:08:29,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:08:29,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:08:29,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:08:29,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:08:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:08:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:08:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 14:08:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 14:08:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 14:08:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 14:08:29,425 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 14:08:29,425 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 14:08:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 14:08:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 14:08:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 14:08:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 14:08:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 14:08:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 14:08:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 14:08:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 14:08:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 14:08:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 14:08:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 14:08:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 14:08:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 14:08:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 14:08:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 14:08:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 14:08:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 14:08:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 14:08:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 14:08:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 14:08:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 14:08:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 14:08:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 14:08:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 14:08:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 14:08:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 14:08:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 14:08:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 14:08:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 14:08:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 14:08:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 14:08:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:08:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 14:08:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 14:08:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 14:08:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 14:08:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 14:08:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2020-09-25 14:08:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2020-09-25 14:08:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2020-09-25 14:08:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 14:08:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 14:08:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 14:08:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 14:08:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 14:08:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 14:08:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 14:08:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 14:08:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 14:08:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 14:08:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 14:08:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 14:08:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 14:08:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 14:08:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 14:08:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 14:08:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 14:08:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 14:08:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 14:08:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 14:08:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 14:08:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 14:08:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 14:08:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 14:08:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 14:08:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 14:08:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 14:08:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 14:08:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 14:08:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 14:08:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 14:08:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 14:08:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 14:08:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 14:08:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 14:08:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:08:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 14:08:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 14:08:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 14:08:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 14:08:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 14:08:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 14:08:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 14:08:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 14:08:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 14:08:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 14:08:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 14:08:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 14:08:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 14:08:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 14:08:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 14:08:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 14:08:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 14:08:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 14:08:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 14:08:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 14:08:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 14:08:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 14:08:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 14:08:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 14:08:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 14:08:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 14:08:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 14:08:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:08:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 14:08:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:08:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 14:08:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 14:08:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 14:08:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:08:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 14:08:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 14:08:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 14:08:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 14:08:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 14:08:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 14:08:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 14:08:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 14:08:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 14:08:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 14:08:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 14:08:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 14:08:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 14:08:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2020-09-25 14:08:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 14:08:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2020-09-25 14:08:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2020-09-25 14:08:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 14:08:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 14:08:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 14:08:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 14:08:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 14:08:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 14:08:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 14:08:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 14:08:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 14:08:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 14:08:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 14:08:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 14:08:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 14:08:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 14:08:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 14:08:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 14:08:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 14:08:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:08:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:08:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:08:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:08:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:08:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:08:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 14:08:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 14:08:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 14:08:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 14:08:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 14:08:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:08:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 14:08:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 14:08:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 14:08:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 14:08:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 14:08:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 14:08:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 14:08:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 14:08:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 14:08:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 14:08:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 14:08:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 14:08:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 14:08:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 14:08:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:08:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:08:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:08:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:08:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 14:08:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 14:08:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 14:08:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 14:08:30,330 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 14:08:31,979 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:08:31,979 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:08:31,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:31 BoogieIcfgContainer [2020-09-25 14:08:31,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:08:31,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:08:31,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:08:31,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:08:31,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:08:27" (1/3) ... [2020-09-25 14:08:31,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e1a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:31, skipping insertion in model container [2020-09-25 14:08:31,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:29" (2/3) ... [2020-09-25 14:08:32,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699e1a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:32, skipping insertion in model container [2020-09-25 14:08:32,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:31" (3/3) ... [2020-09-25 14:08:32,002 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 14:08:32,013 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:08:32,025 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:08:32,045 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:08:32,082 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:08:32,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:08:32,083 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:08:32,083 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:08:32,083 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:08:32,083 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:08:32,083 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:08:32,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:08:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states. [2020-09-25 14:08:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-25 14:08:32,152 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:08:32,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:08:32,154 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:08:32,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:08:32,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1326592749, now seen corresponding path program 1 times [2020-09-25 14:08:32,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:08:32,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881493765] [2020-09-25 14:08:32,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:08:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:34,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:37,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:37,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 14:08:37,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:37,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-09-25 14:08:37,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:37,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:08:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-09-25 14:08:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:08:37,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:08:39,737 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 526 [2020-09-25 14:08:39,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:40,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:40,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 14:08:40,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 614 [2020-09-25 14:08:40,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:40,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:40,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 14:08:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:40,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:40,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:08:40,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 14:08:40,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:40,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:08:40,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:40,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:40,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:40,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:40,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:08:40,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:40,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 14:08:40,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:40,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:08:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:40,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-09-25 14:08:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:40,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:40,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:40,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:08:40,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:40,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 14:08:40,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:40,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:08:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:40,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-25 14:08:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:40,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:40,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:40,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:08:40,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 14:08:40,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:40,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:08:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:08:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:08:41,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881493765] [2020-09-25 14:08:41,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:08:41,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:08:41,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137564357] [2020-09-25 14:08:41,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:08:41,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:08:41,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:08:41,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:08:41,098 INFO L87 Difference]: Start difference. First operand 1502 states. Second operand 9 states. [2020-09-25 14:08:44,392 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:08:48,992 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 533 DAG size of output: 531 [2020-09-25 14:08:50,615 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 531 [2020-09-25 14:08:52,271 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 534 [2020-09-25 14:08:53,835 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 531 [2020-09-25 14:09:09,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:09:09,237 INFO L93 Difference]: Finished difference Result 2884 states and 3497 transitions. [2020-09-25 14:09:09,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 14:09:09,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 316 [2020-09-25 14:09:09,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:09:09,249 INFO L225 Difference]: With dead ends: 2884 [2020-09-25 14:09:09,249 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:09:09,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:09:09,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:09:09,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:09:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:09:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:09:09,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2020-09-25 14:09:09,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:09:09,302 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:09:09,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:09:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:09:09,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:09:09,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:09:09,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:09:10,580 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:11,768 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:12,895 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:14,042 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:15,165 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:16,319 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:17,438 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:18,559 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:19,687 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:20,856 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:21,984 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:23,105 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:24,227 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 14:09:25,356 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 528