/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 --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 16:00:34,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 16:00:34,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 16:00:34,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 16:00:34,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 16:00:34,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 16:00:34,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 16:00:34,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 16:00:34,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 16:00:34,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 16:00:34,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 16:00:34,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 16:00:34,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 16:00:34,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 16:00:34,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 16:00:34,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 16:00:34,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 16:00:34,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 16:00:34,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 16:00:34,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 16:00:34,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 16:00:34,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 16:00:34,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 16:00:34,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 16:00:34,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 16:00:34,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 16:00:34,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 16:00:34,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 16:00:34,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 16:00:34,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 16:00:34,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 16:00:34,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 16:00:34,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 16:00:34,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 16:00:34,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 16:00:34,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 16:00:34,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 16:00:34,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 16:00:34,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 16:00:34,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 16:00:34,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 16:00:34,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 16:00:34,236 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 16:00:34,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 16:00:34,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 16:00:34,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 16:00:34,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 16:00:34,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 16:00:34,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 16:00:34,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 16:00:34,238 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 16:00:34,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 16:00:34,239 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 16:00:34,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 16:00:34,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 16:00:34,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 16:00:34,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 16:00:34,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 16:00:34,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 16:00:34,240 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 16:00:34,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 16:00:34,241 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 16:00:34,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 16:00:34,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 16:00:34,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 16:00:34,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 16:00:34,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 16:00:34,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:00:34,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 16:00:34,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 16:00:34,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 16:00:34,243 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 16:00:34,243 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 16:00:34,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 16:00:34,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 16:00:34,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 16:00:34,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 16:00:34,244 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 16:00:34,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 16:00:34,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 16:00:34,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 16:00:34,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 16:00:34,483 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 16:00:34,483 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 16:00:34,484 INFO L432 ainManager$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--usb--misc--adutux.ko.cil.i [2023-05-20 16:00:34,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ccbda85/e90a2ef60ab74764bb83fb978a7947b3/FLAG9a78ebf32 [2023-05-20 16:00:35,245 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 16:00:35,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-05-20 16:00:35,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ccbda85/e90a2ef60ab74764bb83fb978a7947b3/FLAG9a78ebf32 [2023-05-20 16:00:35,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ccbda85/e90a2ef60ab74764bb83fb978a7947b3 [2023-05-20 16:00:35,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 16:00:35,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 16:00:35,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 16:00:35,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 16:00:35,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 16:00:35,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:00:35" (1/1) ... [2023-05-20 16:00:35,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56bb9ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:35, skipping insertion in model container [2023-05-20 16:00:35,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:00:35" (1/1) ... [2023-05-20 16:00:35,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 16:00:35,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 16:00:36,727 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--usb--misc--adutux.ko.cil.i[196530,196543] [2023-05-20 16:00:36,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:00:36,976 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 16:00:37,306 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--usb--misc--adutux.ko.cil.i[196530,196543] [2023-05-20 16:00:37,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:00:37,397 INFO L208 MainTranslator]: Completed translation [2023-05-20 16:00:37,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37 WrapperNode [2023-05-20 16:00:37,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 16:00:37,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 16:00:37,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 16:00:37,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 16:00:37,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,632 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 5769 [2023-05-20 16:00:37,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 16:00:37,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 16:00:37,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 16:00:37,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 16:00:37,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,857 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 16:00:37,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 16:00:37,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 16:00:37,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 16:00:37,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (1/1) ... [2023-05-20 16:00:37,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:00:37,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:00:37,946 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) [2023-05-20 16:00:37,968 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 [2023-05-20 16:00:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-05-20 16:00:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-05-20 16:00:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 16:00:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 16:00:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 16:00:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 16:00:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-20 16:00:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-05-20 16:00:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-05-20 16:00:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-05-20 16:00:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 16:00:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 16:00:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 16:00:37,990 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 16:00:38,573 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 16:00:38,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 16:00:42,380 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 16:00:42,453 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 16:00:42,453 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2023-05-20 16:00:42,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:00:42 BoogieIcfgContainer [2023-05-20 16:00:42,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 16:00:42,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 16:00:42,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 16:00:42,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 16:00:42,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:00:35" (1/3) ... [2023-05-20 16:00:42,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa23290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:00:42, skipping insertion in model container [2023-05-20 16:00:42,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:00:37" (2/3) ... [2023-05-20 16:00:42,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa23290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:00:42, skipping insertion in model container [2023-05-20 16:00:42,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:00:42" (3/3) ... [2023-05-20 16:00:42,474 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-05-20 16:00:42,481 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 16:00:42,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 16:00:42,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 16:00:42,488 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 16:00:43,578 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-05-20 16:00:43,714 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:00:43,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:00:43,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:00:43,717 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) [2023-05-20 16:00:43,728 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 [2023-05-20 16:00:43,767 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:00:43,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_character_driver_scenario_2Thread1of1ForFork1 ======== [2023-05-20 16:00:43,831 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;@164e0e62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:00:43,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 16:01:35,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:01:35,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:01:35,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1152494283, now seen corresponding path program 1 times [2023-05-20 16:01:35,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:01:35,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822930304] [2023-05-20 16:01:35,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:01:35,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:01:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:01:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 16:01:37,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:01:37,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822930304] [2023-05-20 16:01:37,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822930304] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:01:37,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:01:37,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 16:01:37,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032339423] [2023-05-20 16:01:37,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:01:37,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 16:01:37,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:01:37,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 16:01:37,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 16:01:37,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:01:37,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:01:37,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1097.5) internal successors, (2195), 2 states have internal predecessors, (2195), 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) [2023-05-20 16:01:37,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:07,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:07,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 16:03:07,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:03:07,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:03:07,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1439459216, now seen corresponding path program 1 times [2023-05-20 16:03:07,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:03:07,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909822266] [2023-05-20 16:03:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:03:07,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:03:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:03:09,743 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:03:09,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:03:09,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909822266] [2023-05-20 16:03:09,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909822266] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:03:09,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:03:09,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:03:09,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262929574] [2023-05-20 16:03:09,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:03:09,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:03:09,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:03:09,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:03:09,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:03:09,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:09,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:03:09,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 733.6666666666666) internal successors, (2201), 3 states have internal predecessors, (2201), 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) [2023-05-20 16:03:09,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:09,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:10,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 16:03:10,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:03:10,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:03:10,019 INFO L85 PathProgramCache]: Analyzing trace with hash -227525705, now seen corresponding path program 1 times [2023-05-20 16:03:10,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:03:10,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439996000] [2023-05-20 16:03:10,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:03:10,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:03:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:03:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:03:11,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:03:11,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439996000] [2023-05-20 16:03:11,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439996000] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:03:11,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:03:11,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:03:11,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413269307] [2023-05-20 16:03:11,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:03:11,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:03:11,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:03:11,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:03:11,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:03:11,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:11,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:03:11,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 734.3333333333334) internal successors, (2203), 3 states have internal predecessors, (2203), 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) [2023-05-20 16:03:11,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:11,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:11,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:12,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:12,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 16:03:12,381 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:03:12,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:03:12,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1664155046, now seen corresponding path program 1 times [2023-05-20 16:03:12,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:03:12,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646471454] [2023-05-20 16:03:12,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:03:12,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:03:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:03:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:03:14,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:03:14,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646471454] [2023-05-20 16:03:14,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646471454] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:03:14,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:03:14,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 16:03:14,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727938703] [2023-05-20 16:03:14,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:03:14,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 16:03:14,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:03:14,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 16:03:14,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 16:03:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:14,968 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:03:14,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 546.5) internal successors, (2186), 4 states have internal predecessors, (2186), 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) [2023-05-20 16:03:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:14,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:03:15,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 16:03:15,555 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:03:15,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:03:15,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1199839604, now seen corresponding path program 1 times [2023-05-20 16:03:15,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:03:15,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142903659] [2023-05-20 16:03:15,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:03:15,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:03:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:03:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-05-20 16:03:18,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:03:18,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142903659] [2023-05-20 16:03:18,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142903659] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:03:18,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:03:18,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:03:18,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386105365] [2023-05-20 16:03:18,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:03:18,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:03:18,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:03:18,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:03:18,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:03:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:18,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:03:18,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 796.6666666666666) internal successors, (2390), 3 states have internal predecessors, (2390), 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) [2023-05-20 16:03:18,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:18,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:18,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:18,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:03:18,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:18,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:03:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:18,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 16:03:18,893 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 16:03:18,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:03:18,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1364339089, now seen corresponding path program 1 times [2023-05-20 16:03:18,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:03:18,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124462092] [2023-05-20 16:03:18,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:03:18,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:03:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:03:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2023-05-20 16:03:25,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:03:25,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124462092] [2023-05-20 16:03:25,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124462092] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:03:25,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:03:25,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 16:03:25,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463359428] [2023-05-20 16:03:25,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:03:25,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 16:03:25,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:03:25,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 16:03:25,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-20 16:03:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:25,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:03:25,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 353.7142857142857) internal successors, (2476), 7 states have internal predecessors, (2476), 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) [2023-05-20 16:03:25,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:03:25,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:25,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:25,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 16:03:25,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:03:25,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 16:14:34,144 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 16:14:34,144 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 16:14:35,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-20 16:14:35,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 16:14:35,192 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-20 16:14:35,194 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 16:14:35,233 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-05-20 16:14:35,235 INFO L307 ceAbstractionStarter]: Result for error location ldv_character_driver_scenario_2Thread1of1ForFork1 was TIMEOUT (1/3) [2023-05-20 16:14:35,250 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 16:14:35,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 16:14:35,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:14:35 BasicIcfg [2023-05-20 16:14:35,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 16:14:35,257 INFO L158 Benchmark]: Toolchain (without parser) took 839926.65ms. Allocated memory was 184.5MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 149.0MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2023-05-20 16:14:35,257 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 141.8MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 16:14:35,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2066.88ms. Allocated memory was 184.5MB in the beginning and 232.8MB in the end (delta: 48.2MB). Free memory was 148.8MB in the beginning and 158.1MB in the end (delta: -9.4MB). Peak memory consumption was 81.6MB. Max. memory is 8.0GB. [2023-05-20 16:14:35,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 233.91ms. Allocated memory is still 232.8MB. Free memory was 158.1MB in the beginning and 128.2MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-05-20 16:14:35,258 INFO L158 Benchmark]: Boogie Preprocessor took 269.56ms. Allocated memory is still 232.8MB. Free memory was 128.2MB in the beginning and 154.5MB in the end (delta: -26.2MB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. [2023-05-20 16:14:35,258 INFO L158 Benchmark]: RCFGBuilder took 4561.51ms. Allocated memory was 232.8MB in the beginning and 425.7MB in the end (delta: 192.9MB). Free memory was 154.5MB in the beginning and 327.8MB in the end (delta: -173.3MB). Peak memory consumption was 149.6MB. Max. memory is 8.0GB. [2023-05-20 16:14:35,260 INFO L158 Benchmark]: TraceAbstraction took 832788.45ms. Allocated memory was 425.7MB in the beginning and 5.3GB in the end (delta: 4.9GB). Free memory was 326.8MB in the beginning and 3.4GB in the end (delta: -3.1GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2023-05-20 16:14:35,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 141.8MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2066.88ms. Allocated memory was 184.5MB in the beginning and 232.8MB in the end (delta: 48.2MB). Free memory was 148.8MB in the beginning and 158.1MB in the end (delta: -9.4MB). Peak memory consumption was 81.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 233.91ms. Allocated memory is still 232.8MB. Free memory was 158.1MB in the beginning and 128.2MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 269.56ms. Allocated memory is still 232.8MB. Free memory was 128.2MB in the beginning and 154.5MB in the end (delta: -26.2MB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. * RCFGBuilder took 4561.51ms. Allocated memory was 232.8MB in the beginning and 425.7MB in the end (delta: 192.9MB). Free memory was 154.5MB in the beginning and 327.8MB in the end (delta: -173.3MB). Peak memory consumption was 149.6MB. Max. memory is 8.0GB. * TraceAbstraction took 832788.45ms. Allocated memory was 425.7MB in the beginning and 5.3GB in the end (delta: 4.9GB). Free memory was 326.8MB in the beginning and 3.4GB in the end (delta: -3.1GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17558845, independent: 17547894, independent conditional: 352546, independent unconditional: 17195348, dependent: 10107, dependent conditional: 7151, dependent unconditional: 2956, unknown: 844, unknown conditional: 182, unknown unconditional: 662] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17553274, independent: 17547894, independent conditional: 352546, independent unconditional: 17195348, dependent: 4536, dependent conditional: 1580, dependent unconditional: 2956, unknown: 844, unknown conditional: 182, unknown unconditional: 662] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17553274, independent: 17547894, independent conditional: 352546, independent unconditional: 17195348, dependent: 4536, dependent conditional: 1580, dependent unconditional: 2956, unknown: 844, unknown conditional: 182, unknown unconditional: 662] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17557437, independent: 17547894, independent conditional: 0, independent unconditional: 17547894, dependent: 8335, dependent conditional: 3799, dependent unconditional: 4536, unknown: 1208, unknown conditional: 364, unknown unconditional: 844] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17557437, independent: 17547894, independent conditional: 0, independent unconditional: 17547894, dependent: 8335, dependent conditional: 4, dependent unconditional: 8331, unknown: 1208, unknown conditional: 0, unknown unconditional: 1208] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17557437, independent: 17547894, independent conditional: 0, independent unconditional: 17547894, dependent: 8335, dependent conditional: 4, dependent unconditional: 8331, unknown: 1208, unknown conditional: 0, unknown unconditional: 1208] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12623410, independent: 12619791, independent conditional: 0, independent unconditional: 12619791, dependent: 2957, dependent conditional: 1, dependent unconditional: 2956, unknown: 662, unknown conditional: 0, unknown unconditional: 662] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12623410, independent: 12619355, independent conditional: 0, independent unconditional: 12619355, dependent: 4055, dependent conditional: 0, dependent unconditional: 4055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4055, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 2957, dependent conditional: 1, dependent unconditional: 2956, unknown: 662, unknown conditional: 0, unknown unconditional: 662] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4055, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 2957, dependent conditional: 1, dependent unconditional: 2956, unknown: 662, unknown conditional: 0, unknown unconditional: 662] , SemanticIndependenceRelation.Query Time [ms]: [ total: 757439, independent: 875, independent conditional: 0, independent unconditional: 875, dependent: 72235, dependent conditional: 4, dependent unconditional: 72231, unknown: 684329, unknown conditional: 0, unknown unconditional: 684329] , Protected Queries: 0 ], Cache Queries: [ total: 17557437, independent: 4928103, independent conditional: 0, independent unconditional: 4928103, dependent: 5378, dependent conditional: 3, dependent unconditional: 5375, unknown: 12623956, unknown conditional: 1, unknown unconditional: 12623955] , Statistics on independence cache: Total cache size (in pairs): 12622748, Positive cache size: 12619791, Positive conditional cache size: 0, Positive unconditional cache size: 12619791, Negative cache size: 2957, Negative conditional cache size: 1, Negative unconditional cache size: 2956, Unknown cache size: 662, Unknown conditional cache size: 0, Unknown unconditional cache size: 662, Eliminated conditions: 4159, Maximal queried relation: 4, Independence queries for same thread: 5571 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 797.8s, Number of persistent set computation: 49451, Number of trivial persistent sets: 17576, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17198966, independent: 17195348, independent conditional: 0, independent unconditional: 17195348, dependent: 2956, dependent conditional: 0, dependent unconditional: 2956, unknown: 662, unknown conditional: 0, unknown unconditional: 662] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17558845, independent: 17547894, independent conditional: 352546, independent unconditional: 17195348, dependent: 10107, dependent conditional: 7151, dependent unconditional: 2956, unknown: 844, unknown conditional: 182, unknown unconditional: 662] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17553274, independent: 17547894, independent conditional: 352546, independent unconditional: 17195348, dependent: 4536, dependent conditional: 1580, dependent unconditional: 2956, unknown: 844, unknown conditional: 182, unknown unconditional: 662] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17553274, independent: 17547894, independent conditional: 352546, independent unconditional: 17195348, dependent: 4536, dependent conditional: 1580, dependent unconditional: 2956, unknown: 844, unknown conditional: 182, unknown unconditional: 662] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17557437, independent: 17547894, independent conditional: 0, independent unconditional: 17547894, dependent: 8335, dependent conditional: 3799, dependent unconditional: 4536, unknown: 1208, unknown conditional: 364, unknown unconditional: 844] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17557437, independent: 17547894, independent conditional: 0, independent unconditional: 17547894, dependent: 8335, dependent conditional: 4, dependent unconditional: 8331, unknown: 1208, unknown conditional: 0, unknown unconditional: 1208] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17557437, independent: 17547894, independent conditional: 0, independent unconditional: 17547894, dependent: 8335, dependent conditional: 4, dependent unconditional: 8331, unknown: 1208, unknown conditional: 0, unknown unconditional: 1208] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12623410, independent: 12619791, independent conditional: 0, independent unconditional: 12619791, dependent: 2957, dependent conditional: 1, dependent unconditional: 2956, unknown: 662, unknown conditional: 0, unknown unconditional: 662] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12623410, independent: 12619355, independent conditional: 0, independent unconditional: 12619355, dependent: 4055, dependent conditional: 0, dependent unconditional: 4055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4055, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 2957, dependent conditional: 1, dependent unconditional: 2956, unknown: 662, unknown conditional: 0, unknown unconditional: 662] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4055, independent: 436, independent conditional: 0, independent unconditional: 436, dependent: 2957, dependent conditional: 1, dependent unconditional: 2956, unknown: 662, unknown conditional: 0, unknown unconditional: 662] , SemanticIndependenceRelation.Query Time [ms]: [ total: 757439, independent: 875, independent conditional: 0, independent unconditional: 875, dependent: 72235, dependent conditional: 4, dependent unconditional: 72231, unknown: 684329, unknown conditional: 0, unknown unconditional: 684329] , Protected Queries: 0 ], Cache Queries: [ total: 17557437, independent: 4928103, independent conditional: 0, independent unconditional: 4928103, dependent: 5378, dependent conditional: 3, dependent unconditional: 5375, unknown: 12623956, unknown conditional: 1, unknown unconditional: 12623955] , Statistics on independence cache: Total cache size (in pairs): 12622748, Positive cache size: 12619791, Positive conditional cache size: 0, Positive unconditional cache size: 12619791, Negative cache size: 2957, Negative conditional cache size: 1, Negative unconditional cache size: 2956, Unknown cache size: 662, Unknown conditional cache size: 0, Unknown unconditional cache size: 662, Eliminated conditions: 4159, Maximal queried relation: 4, Independence queries for same thread: 5571 - TimeoutResultAtElement [Line: 7269]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ldv_character_driver_scenario_2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 12274 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 831.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 813.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 15125 NumberOfCodeBlocks, 15125 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15119 ConstructedInterpolants, 0 QuantifiedInterpolants, 19278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1798/1798 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown