/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=HIGHLEXORDER --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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:26:40,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:26:40,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:26:40,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:26:40,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:26:40,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:26:40,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:26:40,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:26:40,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:26:40,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:26:40,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:26:40,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:26:40,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:26:40,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:26:40,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:26:40,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:26:40,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:26:40,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:26:40,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:26:40,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:26:40,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:26:40,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:26:40,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:26:40,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:26:40,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:26:40,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:26:40,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:26:40,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:26:40,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:26:40,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:26:40,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:26:40,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:26:40,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:26:40,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:26:40,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:26:40,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:26:40,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:26:40,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:26:40,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:26:40,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:26:40,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:26:40,590 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 [2020-09-24 23:26:40,617 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:26:40,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:26:40,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:26:40,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:26:40,620 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:26:40,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:26:40,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:26:40,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:26:40,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:26:40,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:26:40,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:26:40,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:26:40,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:26:40,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:26:40,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:26:40,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:26:40,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:26:40,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:26:40,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:26:40,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:26:40,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:26:40,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:26:40,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:26:40,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:26:40,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:26:40,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:26:40,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 23:26:40,625 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 23:26:41,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:26:41,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:26:41,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:26:41,175 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:26:41,176 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:26:41,177 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-24 23:26:41,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15117f14b/506e8ad0a729481e8e871a0c25cea395/FLAG782a2b4f6 [2020-09-24 23:26:42,059 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:26:42,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-24 23:26:42,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15117f14b/506e8ad0a729481e8e871a0c25cea395/FLAG782a2b4f6 [2020-09-24 23:26:42,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15117f14b/506e8ad0a729481e8e871a0c25cea395 [2020-09-24 23:26:42,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:26:42,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:26:42,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:42,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:26:42,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:26:42,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:42" (1/1) ... [2020-09-24 23:26:42,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752aa8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:42, skipping insertion in model container [2020-09-24 23:26:42,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:42" (1/1) ... [2020-09-24 23:26:42,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:26:42,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:26:44,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:44,270 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:26:44,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:26:44,641 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:26:44,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44 WrapperNode [2020-09-24 23:26:44,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:26:44,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:26:44,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:26:44,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:26:44,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ... [2020-09-24 23:26:44,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ... [2020-09-24 23:26:44,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ... [2020-09-24 23:26:44,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ... [2020-09-24 23:26:44,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ... [2020-09-24 23:26:44,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ... [2020-09-24 23:26:44,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ... [2020-09-24 23:26:44,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:26:44,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:26:44,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:26:44,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:26:44,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (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 [2020-09-24 23:26:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:26:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:26:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-24 23:26:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-24 23:26:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-24 23:26:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-24 23:26:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-24 23:26:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 23:26:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 23:26:45,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-24 23:26:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-24 23:26:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 23:26:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 23:26:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 23:26:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 23:26:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-24 23:26:45,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-24 23:26:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 23:26:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 23:26:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 23:26:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-24 23:26:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-24 23:26:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-24 23:26:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-24 23:26:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-24 23:26:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-24 23:26:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-24 23:26:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-24 23:26:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-24 23:26:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-24 23:26:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-24 23:26:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-24 23:26:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-24 23:26:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-24 23:26:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-24 23:26:45,037 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-24 23:26:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-24 23:26:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-24 23:26:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:26:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5 [2020-09-24 23:26:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6 [2020-09-24 23:26:45,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7 [2020-09-24 23:26:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 23:26:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 23:26:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 23:26:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 23:26:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 23:26:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-24 23:26:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-24 23:26:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-24 23:26:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-24 23:26:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-24 23:26:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 23:26:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-24 23:26:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-24 23:26:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-24 23:26:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-24 23:26:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-24 23:26:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-24 23:26:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-24 23:26:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-24 23:26:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-24 23:26:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 23:26:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 23:26:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-24 23:26:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-24 23:26:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-24 23:26:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-24 23:26:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-24 23:26:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 23:26:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 23:26:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 23:26:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-24 23:26:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:26:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 23:26:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-24 23:26:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 23:26:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-24 23:26:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-24 23:26:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-24 23:26:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-24 23:26:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-24 23:26:45,049 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-24 23:26:45,050 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-24 23:26:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-24 23:26:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-24 23:26:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-24 23:26:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 23:26:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 23:26:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 23:26:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 23:26:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-24 23:26:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-24 23:26:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 23:26:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 23:26:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:26:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 23:26:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:26:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 23:26:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 23:26:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 23:26:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:26:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 23:26:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-24 23:26:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-24 23:26:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 23:26:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 23:26:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 23:26:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 23:26:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-24 23:26:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-24 23:26:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-24 23:26:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-24 23:26:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-24 23:26:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-24 23:26:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-24 23:26:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_5 [2020-09-24 23:26:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-24 23:26:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_6 [2020-09-24 23:26:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_7 [2020-09-24 23:26:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-24 23:26:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-24 23:26:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-24 23:26:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-24 23:26:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-24 23:26:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-24 23:26:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-24 23:26:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-24 23:26:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-24 23:26:45,065 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-24 23:26:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-24 23:26:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-24 23:26:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-24 23:26:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-24 23:26:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-24 23:26:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-24 23:26:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-24 23:26:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:26:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:26:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:26:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:26:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:26:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:26:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-24 23:26:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-24 23:26:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-24 23:26:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 23:26:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 23:26:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:26:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 23:26:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 23:26:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 23:26:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 23:26:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 23:26:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-24 23:26:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-24 23:26:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-24 23:26:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-24 23:26:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-24 23:26:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:26:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:26:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:26:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:26:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-24 23:26:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-24 23:26:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 23:26:45,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-24 23:26:45,971 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 23:26:45,977 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-24 23:26:47,521 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:26:47,522 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 23:26:47,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:47 BoogieIcfgContainer [2020-09-24 23:26:47,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:26:47,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:26:47,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:26:47,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:26:47,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:26:42" (1/3) ... [2020-09-24 23:26:47,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526695cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:47, skipping insertion in model container [2020-09-24 23:26:47,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (2/3) ... [2020-09-24 23:26:47,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526695cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:47, skipping insertion in model container [2020-09-24 23:26:47,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:47" (3/3) ... [2020-09-24 23:26:47,543 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-24 23:26:47,555 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:26:47,567 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:26:47,590 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:26:47,626 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:26:47,627 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:26:47,627 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:26:47,627 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:26:47,627 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:26:47,627 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:26:47,627 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:26:47,627 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:26:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-09-24 23:26:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-24 23:26:47,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:26:47,724 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] [2020-09-24 23:26:47,724 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:26:47,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:26:47,732 INFO L82 PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times [2020-09-24 23:26:47,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:26:47,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258350739] [2020-09-24 23:26:47,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:26:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:49,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:51,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:51,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-24 23:26:51,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:26:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3217 [2020-09-24 23:26:51,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 278 [2020-09-24 23:26:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:26:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 23:26:53,774 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-24 23:26:53,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:53,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:54,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:54,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 23:26:54,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-09-24 23:26:54,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:54,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 23:26:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:54,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:54,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:54,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:26:54,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 23:26:54,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:54,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-24 23:26:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:54,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:54,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:26:54,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:54,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 23:26:54,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:54,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:26:54,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:55,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:26:55,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258350739] [2020-09-24 23:26:55,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:55,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:26:55,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406801345] [2020-09-24 23:26:55,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:26:55,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:55,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:26:55,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:26:55,165 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 5 states. [2020-09-24 23:26:58,845 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-24 23:27:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:27:12,807 INFO L93 Difference]: Finished difference Result 3046 states and 3696 transitions. [2020-09-24 23:27:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:27:12,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2020-09-24 23:27:12,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:27:12,861 INFO L225 Difference]: With dead ends: 3046 [2020-09-24 23:27:12,861 INFO L226 Difference]: Without dead ends: 1945 [2020-09-24 23:27:12,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:27:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2020-09-24 23:27:13,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1458. [2020-09-24 23:27:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-09-24 23:27:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1682 transitions. [2020-09-24 23:27:13,198 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1682 transitions. Word has length 298 [2020-09-24 23:27:13,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:27:13,200 INFO L479 AbstractCegarLoop]: Abstraction has 1458 states and 1682 transitions. [2020-09-24 23:27:13,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:27:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1682 transitions. [2020-09-24 23:27:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-09-24 23:27:13,209 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:27:13,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:27:13,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:27:13,210 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:27:13,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:27:13,211 INFO L82 PathProgramCache]: Analyzing trace with hash -95169640, now seen corresponding path program 1 times [2020-09-24 23:27:13,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:27:13,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300903653] [2020-09-24 23:27:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:27:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:27:13,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:14,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:15,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:15,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:16,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:18,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:27:18,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-09-24 23:27:18,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:27:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5194 [2020-09-24 23:27:18,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:27:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:27:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 356 [2020-09-24 23:27:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 23:27:18,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:27:20,276 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-24 23:27:20,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:27:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:27:20,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:20,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:27:20,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 23:27:20,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:27:20,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-09-24 23:27:20,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:27:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:27:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:27:20,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:27:20,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:27:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 23:27:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:27:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:21,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:27:21,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:27:21,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:27:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 23:27:21,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:27:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:27:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:27:21,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:27:21,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:27:21,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 23:27:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:27:21,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:21,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:21,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:27:21,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 23:27:21,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:27:21,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-09-24 23:27:21,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:27:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:27:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-24 23:27:21,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 23:27:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:27:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:27:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:27:21,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:21,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:27:21,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:27:21,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 23:27:21,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:27:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-09-24 23:27:21,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:27:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:27:21,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-24 23:27:21,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 23:27:21,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:27:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:27:22,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300903653] [2020-09-24 23:27:22,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:27:22,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 23:27:22,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187477271] [2020-09-24 23:27:22,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 23:27:22,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:27:22,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 23:27:22,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 23:27:22,165 INFO L87 Difference]: Start difference. First operand 1458 states and 1682 transitions. Second operand 6 states. [2020-09-24 23:27:23,496 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 517