/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-0612a5f-m [2022-09-20 20:42:22,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 20:42:22,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 20:42:22,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 20:42:22,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 20:42:22,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 20:42:22,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 20:42:22,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 20:42:22,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 20:42:22,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 20:42:22,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 20:42:22,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 20:42:22,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 20:42:22,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 20:42:22,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 20:42:22,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 20:42:22,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 20:42:22,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 20:42:22,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 20:42:22,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 20:42:22,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 20:42:22,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 20:42:22,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 20:42:22,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 20:42:22,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-20 20:42:22,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-20 20:42:22,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-20 20:42:22,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-20 20:42:22,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-20 20:42:22,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-20 20:42:22,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 20:42:22,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 20:42:22,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 20:42:22,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 20:42:22,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 20:42:22,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 20:42:22,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 20:42:22,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 20:42:22,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 20:42:22,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 20:42:22,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 20:42:22,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-20 20:42:22,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 20:42:22,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 20:42:22,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 20:42:22,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 20:42:22,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 20:42:22,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 20:42:22,220 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 20:42:22,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 20:42:22,220 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 20:42:22,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 20:42:22,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 20:42:22,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 20:42:22,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 20:42:22,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 20:42:22,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 20:42:22,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 20:42:22,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 20:42:22,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 20:42:22,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 20:42:22,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 20:42:22,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 20:42:22,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 20:42:22,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 20:42:22,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:42:22,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 20:42:22,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 20:42:22,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 20:42:22,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 20:42:22,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 20:42:22,223 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 20:42:22,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 20:42:22,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 20:42:22,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 20:42:22,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 20:42:22,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 20:42:22,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 20:42:22,432 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 20:42:22,433 INFO L432 ainManager$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--spi--spi-tegra20-slink.ko.cil.i [2022-09-20 20:42:22,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30da1cc76/51d280a2a4034d48be9aa3d77faff04d/FLAG4a33278eb [2022-09-20 20:42:23,055 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 20:42:23,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-09-20 20:42:23,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30da1cc76/51d280a2a4034d48be9aa3d77faff04d/FLAG4a33278eb [2022-09-20 20:42:23,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30da1cc76/51d280a2a4034d48be9aa3d77faff04d [2022-09-20 20:42:23,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 20:42:23,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 20:42:23,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 20:42:23,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 20:42:23,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 20:42:23,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:42:23" (1/1) ... [2022-09-20 20:42:23,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dabe89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:23, skipping insertion in model container [2022-09-20 20:42:23,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:42:23" (1/1) ... [2022-09-20 20:42:23,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 20:42:23,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 20:42:24,659 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--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-09-20 20:42:24,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:42:24,780 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 20:42:24,962 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--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-09-20 20:42:24,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 20:42:25,052 INFO L208 MainTranslator]: Completed translation [2022-09-20 20:42:25,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25 WrapperNode [2022-09-20 20:42:25,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 20:42:25,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 20:42:25,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 20:42:25,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 20:42:25,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,296 INFO L138 Inliner]: procedures = 310, calls = 1326, calls flagged for inlining = 429, calls inlined = 677, statements flattened = 8091 [2022-09-20 20:42:25,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 20:42:25,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 20:42:25,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 20:42:25,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 20:42:25,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 20:42:25,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 20:42:25,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 20:42:25,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 20:42:25,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (1/1) ... [2022-09-20 20:42:25,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 20:42:25,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 20:42:25,568 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) [2022-09-20 20:42:25,632 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 [2022-09-20 20:42:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-09-20 20:42:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-09-20 20:42:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-09-20 20:42:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2022-09-20 20:42:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2022-09-20 20:42:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-20 20:42:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2022-09-20 20:42:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2022-09-20 20:42:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 20:42:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2022-09-20 20:42:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2022-09-20 20:42:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 20:42:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 20:42:25,643 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 20:42:26,153 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 20:42:26,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 20:42:30,760 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 20:42:30,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 20:42:30,795 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 20:42:30,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:42:30 BoogieIcfgContainer [2022-09-20 20:42:30,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 20:42:30,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 20:42:30,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 20:42:30,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 20:42:30,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 08:42:23" (1/3) ... [2022-09-20 20:42:30,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4afa2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:42:30, skipping insertion in model container [2022-09-20 20:42:30,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:42:25" (2/3) ... [2022-09-20 20:42:30,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4afa2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 08:42:30, skipping insertion in model container [2022-09-20 20:42:30,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:42:30" (3/3) ... [2022-09-20 20:42:30,811 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-09-20 20:42:30,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 20:42:30,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 20:42:30,823 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 20:42:31,853 INFO L144 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2022-09-20 20:42:32,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 14192 places, 14884 transitions, 29843 flow [2022-09-20 20:43:14,721 INFO L130 PetriNetUnfolder]: 736/15910 cut-off events. [2022-09-20 20:43:14,721 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-09-20 20:43:17,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15941 conditions, 15910 events. 736/15910 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 103423 event pairs, 0 based on Foata normal form. 0/15167 useless extension candidates. Maximal degree in co-relation 15376. Up to 14 conditions per place. [2022-09-20 20:43:17,643 INFO L82 GeneralOperation]: Start removeDead. Operand has 14192 places, 14884 transitions, 29843 flow [2022-09-20 20:43:17,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 9997 places, 10494 transitions, 21029 flow [2022-09-20 20:43:17,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 20:43:17,943 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@770c9425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 20:43:17,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-09-20 20:43:21,168 INFO L130 PetriNetUnfolder]: 189/5943 cut-off events. [2022-09-20 20:43:21,168 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-09-20 20:43:21,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 20:43:21,170 INFO L208 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 20:43:21,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-09-20 20:43:21,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 20:43:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1650129845, now seen corresponding path program 1 times [2022-09-20 20:43:21,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 20:43:21,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391342985] [2022-09-20 20:43:21,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 20:43:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 20:43:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 20:43:22,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 20:43:22,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 20:43:22,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391342985] [2022-09-20 20:43:22,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391342985] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 20:43:22,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 20:43:22,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-20 20:43:22,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761497692] [2022-09-20 20:43:22,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 20:43:22,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-20 20:43:22,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 20:43:22,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-20 20:43:22,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-20 20:43:22,999 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 13727 out of 14886 [2022-09-20 20:43:23,100 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 9997 places, 10494 transitions, 21029 flow. Second operand has 7 states, 7 states have (on average 13767.57142857143) internal successors, (96373), 7 states have internal predecessors, (96373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 20:43:23,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 20:43:23,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13727 of 14886 [2022-09-20 20:43:23,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand