/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 12:42:47,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 12:42:47,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 12:42:47,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 12:42:47,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 12:42:47,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 12:42:47,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 12:42:47,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 12:42:47,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 12:42:47,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 12:42:47,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 12:42:47,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 12:42:47,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 12:42:47,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 12:42:47,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 12:42:47,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 12:42:47,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 12:42:47,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 12:42:47,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 12:42:47,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 12:42:47,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 12:42:47,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 12:42:47,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 12:42:47,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 12:42:47,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 12:42:47,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 12:42:47,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 12:42:47,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 12:42:47,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 12:42:47,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 12:42:47,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 12:42:47,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 12:42:47,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 12:42:47,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 12:42:47,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 12:42:47,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 12:42:47,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 12:42:47,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 12:42:47,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 12:42:47,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 12:42:47,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 12:42:47,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-09-16 12:42:47,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 12:42:47,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 12:42:47,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 12:42:47,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 12:42:47,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 12:42:47,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 12:42:47,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 12:42:47,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 12:42:47,681 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 12:42:47,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 12:42:47,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 12:42:47,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:42:47,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 12:42:47,683 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 12:42:47,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-16 12:42:47,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 12:42:47,684 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-09-16 12:42:47,684 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-09-16 12:42:47,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 12:42:47,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 12:42:47,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 12:42:47,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 12:42:47,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 12:42:47,857 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 12:42:47,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-09-16 12:42:47,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4cc25d5/c0e31a2a12944512a82cf8b01f913179/FLAGae5aa5bec [2022-09-16 12:42:48,534 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 12:42:48,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-09-16 12:42:48,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4cc25d5/c0e31a2a12944512a82cf8b01f913179/FLAGae5aa5bec [2022-09-16 12:42:48,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4cc25d5/c0e31a2a12944512a82cf8b01f913179 [2022-09-16 12:42:48,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 12:42:48,943 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 12:42:48,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 12:42:48,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 12:42:48,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 12:42:48,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:42:48" (1/1) ... [2022-09-16 12:42:48,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c82f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:48, skipping insertion in model container [2022-09-16 12:42:48,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 12:42:48" (1/1) ... [2022-09-16 12:42:48,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 12:42:49,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 12:42:50,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i[295890,295903] [2022-09-16 12:42:50,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:42:50,934 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 12:42:51,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i[295890,295903] [2022-09-16 12:42:51,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 12:42:51,276 INFO L208 MainTranslator]: Completed translation [2022-09-16 12:42:51,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51 WrapperNode [2022-09-16 12:42:51,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 12:42:51,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 12:42:51,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 12:42:51,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 12:42:51,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:51,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:51,598 INFO L138 Inliner]: procedures = 398, calls = 2100, calls flagged for inlining = 747, calls inlined = 2021, statements flattened = 20711 [2022-09-16 12:42:51,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 12:42:51,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 12:42:51,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 12:42:51,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 12:42:51,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:51,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:51,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:51,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:51,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:51,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:52,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:52,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 12:42:52,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 12:42:52,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 12:42:52,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 12:42:52,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (1/1) ... [2022-09-16 12:42:52,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 12:42:52,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:42:52,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 12:42:52,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 12:42:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-09-16 12:42:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-09-16 12:42:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_6 [2022-09-16 12:42:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_6 [2022-09-16 12:42:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 12:42:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 12:42:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 12:42:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 12:42:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 12:42:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-16 12:42:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_5 [2022-09-16 12:42:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_5 [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_4 [2022-09-16 12:42:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_4 [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 12:42:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-09-16 12:42:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 12:42:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 12:42:52,229 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 12:42:52,765 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 12:42:52,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 12:43:02,648 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 12:43:02,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 12:43:02,723 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 12:43:02,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:43:02 BoogieIcfgContainer [2022-09-16 12:43:02,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 12:43:02,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 12:43:02,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 12:43:02,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 12:43:02,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 12:42:48" (1/3) ... [2022-09-16 12:43:02,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b647f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:43:02, skipping insertion in model container [2022-09-16 12:43:02,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 12:42:51" (2/3) ... [2022-09-16 12:43:02,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b647f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 12:43:02, skipping insertion in model container [2022-09-16 12:43:02,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 12:43:02" (3/3) ... [2022-09-16 12:43:02,752 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-09-16 12:43:02,758 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 12:43:02,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 12:43:02,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1360 error locations. [2022-09-16 12:43:02,765 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 12:43:06,147 INFO L144 ThreadInstanceAdder]: Constructed 109 joinOtherThreadTransitions. [2022-09-16 12:43:06,822 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:43:06,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-16 12:43:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 12:43:06,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-16 12:43:06,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-16 12:43:06,879 INFO L156 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-16 12:43:06,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_random_allocationless_scenario_3Thread1of1ForFork2 ======== [2022-09-16 12:43:06,896 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bafba80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 12:43:06,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 184 error locations.