/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 12:03:23,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 12:03:23,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 12:03:23,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 12:03:23,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 12:03:23,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 12:03:23,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 12:03:23,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 12:03:23,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 12:03:23,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 12:03:23,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 12:03:23,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 12:03:23,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 12:03:23,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 12:03:23,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 12:03:23,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 12:03:23,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 12:03:23,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 12:03:23,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 12:03:23,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 12:03:23,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 12:03:23,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 12:03:23,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 12:03:23,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 12:03:23,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 12:03:23,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 12:03:23,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 12:03:23,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 12:03:23,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 12:03:23,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 12:03:23,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 12:03:23,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 12:03:23,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 12:03:23,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 12:03:23,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 12:03:23,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 12:03:23,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 12:03:23,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 12:03:23,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 12:03:23,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 12:03:23,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 12:03:23,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 12:03:23,931 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 12:03:23,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 12:03:23,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 12:03:23,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 12:03:23,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 12:03:23,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 12:03:23,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 12:03:23,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 12:03:23,933 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 12:03:23,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 12:03:23,933 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 12:03:23,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 12:03:23,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 12:03:23,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 12:03:23,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:03:23,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 12:03:23,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 12:03:23,936 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 12:03:23,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 12:03:24,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 12:03:24,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 12:03:24,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 12:03:24,141 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 12:03:24,142 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 12:03:24,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 12:03:24,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf982858a/e013a4e90d6645b88926f6bc13fcc94d/FLAGfc8c49c08 [2023-05-04 12:03:24,590 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 12:03:24,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2023-05-04 12:03:24,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf982858a/e013a4e90d6645b88926f6bc13fcc94d/FLAGfc8c49c08 [2023-05-04 12:03:24,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf982858a/e013a4e90d6645b88926f6bc13fcc94d [2023-05-04 12:03:24,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 12:03:24,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 12:03:24,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 12:03:24,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 12:03:24,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 12:03:24,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:03:24" (1/1) ... [2023-05-04 12:03:24,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f2cfdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:24, skipping insertion in model container [2023-05-04 12:03:24,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:03:24" (1/1) ... [2023-05-04 12:03:24,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 12:03:24,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 12:03:25,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2023-05-04 12:03:25,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:03:25,147 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 12:03:25,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2023-05-04 12:03:25,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:03:25,174 INFO L208 MainTranslator]: Completed translation [2023-05-04 12:03:25,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25 WrapperNode [2023-05-04 12:03:25,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 12:03:25,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 12:03:25,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 12:03:25,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 12:03:25,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,206 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-05-04 12:03:25,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 12:03:25,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 12:03:25,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 12:03:25,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 12:03:25,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 12:03:25,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 12:03:25,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 12:03:25,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 12:03:25,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (1/1) ... [2023-05-04 12:03:25,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:03:25,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:03:25,253 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) [2023-05-04 12:03:25,289 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 [2023-05-04 12:03:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 12:03:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 12:03:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 12:03:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 12:03:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 12:03:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 12:03:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 12:03:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 12:03:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 12:03:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 12:03:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 12:03:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 12:03:25,328 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 12:03:25,396 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 12:03:25,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 12:03:25,598 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 12:03:25,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 12:03:25,603 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 12:03:25,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:03:25 BoogieIcfgContainer [2023-05-04 12:03:25,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 12:03:25,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 12:03:25,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 12:03:25,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 12:03:25,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 12:03:24" (1/3) ... [2023-05-04 12:03:25,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a939ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:03:25, skipping insertion in model container [2023-05-04 12:03:25,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:03:25" (2/3) ... [2023-05-04 12:03:25,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a939ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:03:25, skipping insertion in model container [2023-05-04 12:03:25,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:03:25" (3/3) ... [2023-05-04 12:03:25,618 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2023-05-04 12:03:25,623 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 12:03:25,630 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 12:03:25,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 12:03:25,631 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 12:03:25,707 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 12:03:25,762 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:03:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 12:03:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:03:25,787 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) [2023-05-04 12:03:25,808 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 [2023-05-04 12:03:25,819 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 12:03:25,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 12:03:25,837 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;@57e86fcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:03:25,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 12:03:25,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:03:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:03:25,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2034062635, now seen corresponding path program 1 times [2023-05-04 12:03:25,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:03:25,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333262124] [2023-05-04 12:03:25,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:03:25,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:03:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:03:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:03:26,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:03:26,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333262124] [2023-05-04 12:03:26,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333262124] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:03:26,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112646912] [2023-05-04 12:03:26,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:03:26,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:03:26,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:03:26,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:03:26,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 12:03:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:03:27,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 12:03:27,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:03:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:03:27,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:03:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:03:27,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112646912] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:03:27,553 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:03:27,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 13 [2023-05-04 12:03:27,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783181059] [2023-05-04 12:03:27,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:03:27,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 12:03:27,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:03:27,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 12:03:27,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-05-04 12:03:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:03:27,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:03:27,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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) [2023-05-04 12:03:27,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:03:27,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:03:27,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 12:03:28,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-04 12:03:28,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:03:28,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:03:28,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1921591505, now seen corresponding path program 1 times [2023-05-04 12:03:28,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:03:28,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946227702] [2023-05-04 12:03:28,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:03:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:03:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:03:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:03:29,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:03:29,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946227702] [2023-05-04 12:03:29,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946227702] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:03:29,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181621845] [2023-05-04 12:03:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:03:29,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:03:29,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:03:29,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:03:29,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 12:03:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:03:29,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 29 conjunts are in the unsatisfiable core [2023-05-04 12:03:29,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:03:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:03:29,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:15:01,252 WARN L233 SmtUtils]: Spent 1.31m on a formula simplification. DAG size of input: 106 DAG size of output: 83 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:15:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:15:04,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181621845] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:15:04,434 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:15:04,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 17] total 39 [2023-05-04 12:15:04,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117287967] [2023-05-04 12:15:04,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:15:04,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-04 12:15:04,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:15:04,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-04 12:15:04,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1274, Unknown=3, NotChecked=0, Total=1482 [2023-05-04 12:15:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:15:04,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:15:04,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.358974358974359) internal successors, (131), 39 states have internal predecessors, (131), 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) [2023-05-04 12:15:04,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:15:04,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:15:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 12:15:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-04 12:15:20,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 12:15:21,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:15:21,060 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 12:15:21,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:15:21,061 INFO L85 PathProgramCache]: Analyzing trace with hash -513398097, now seen corresponding path program 2 times [2023-05-04 12:15:21,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:15:21,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941914293] [2023-05-04 12:15:21,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:15:21,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:15:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:15:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:15:30,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:15:30,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941914293] [2023-05-04 12:15:30,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941914293] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:15:30,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957819396] [2023-05-04 12:15:30,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:15:30,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:15:30,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:15:30,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 12:15:30,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 12:15:31,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:15:31,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:15:31,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-04 12:15:31,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:15:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:15:54,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 12:18:06,109 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 [2023-05-04 12:18:06,126 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 [2023-05-04 12:18:06,126 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 12:18:07,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 12:18:07,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 12:18:07,331 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-04 12:18:07,364 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 12:18:07,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 12:18:07,364 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 76 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-05-04 12:18:07,366 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 12:18:07,366 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 12:18:07,370 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 137 [2023-05-04 12:18:07,372 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2023-05-04 12:18:07,375 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 12:18:07,375 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 12:18:07,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:18:07 BasicIcfg [2023-05-04 12:18:07,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 12:18:07,378 INFO L158 Benchmark]: Toolchain (without parser) took 882414.06ms. Allocated memory was 187.7MB in the beginning and 360.7MB in the end (delta: 173.0MB). Free memory was 161.5MB in the beginning and 291.5MB in the end (delta: -130.1MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-05-04 12:18:07,378 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 12:18:07,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.79ms. Allocated memory was 187.7MB in the beginning and 249.6MB in the end (delta: 61.9MB). Free memory was 161.5MB in the beginning and 222.5MB in the end (delta: -61.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2023-05-04 12:18:07,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.85ms. Allocated memory is still 249.6MB. Free memory was 222.5MB in the beginning and 220.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 12:18:07,380 INFO L158 Benchmark]: Boogie Preprocessor took 19.05ms. Allocated memory is still 249.6MB. Free memory was 220.8MB in the beginning and 219.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 12:18:07,380 INFO L158 Benchmark]: RCFGBuilder took 377.44ms. Allocated memory is still 249.6MB. Free memory was 219.3MB in the beginning and 207.4MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-04 12:18:07,380 INFO L158 Benchmark]: TraceAbstraction took 881771.33ms. Allocated memory was 249.6MB in the beginning and 360.7MB in the end (delta: 111.1MB). Free memory was 206.3MB in the beginning and 291.5MB in the end (delta: -85.2MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. [2023-05-04 12:18:07,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 146.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.79ms. Allocated memory was 187.7MB in the beginning and 249.6MB in the end (delta: 61.9MB). Free memory was 161.5MB in the beginning and 222.5MB in the end (delta: -61.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.85ms. Allocated memory is still 249.6MB. Free memory was 222.5MB in the beginning and 220.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.05ms. Allocated memory is still 249.6MB. Free memory was 220.8MB in the beginning and 219.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 377.44ms. Allocated memory is still 249.6MB. Free memory was 219.3MB in the beginning and 207.4MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 881771.33ms. Allocated memory was 249.6MB in the beginning and 360.7MB in the end (delta: 111.1MB). Free memory was 206.3MB in the beginning and 291.5MB in the end (delta: -85.2MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1222, independent: 1136, independent conditional: 518, independent unconditional: 618, dependent: 86, dependent conditional: 83, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 518, independent unconditional: 618, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 518, independent unconditional: 618, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 0, independent unconditional: 1136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 0, independent unconditional: 1136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 0, independent unconditional: 1136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 573, independent: 570, independent conditional: 0, independent unconditional: 570, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 573, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1139, independent: 566, independent conditional: 0, independent unconditional: 566, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 573, unknown conditional: 0, unknown unconditional: 573] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 570, Positive conditional cache size: 0, Positive unconditional cache size: 570, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 83 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 96, Number of trivial persistent sets: 80, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 621, independent: 618, independent conditional: 0, independent unconditional: 618, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1222, independent: 1136, independent conditional: 518, independent unconditional: 618, dependent: 86, dependent conditional: 83, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 518, independent unconditional: 618, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 518, independent unconditional: 618, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 0, independent unconditional: 1136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 0, independent unconditional: 1136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1139, independent: 1136, independent conditional: 0, independent unconditional: 1136, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 573, independent: 570, independent conditional: 0, independent unconditional: 570, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 573, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1139, independent: 566, independent conditional: 0, independent unconditional: 566, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 573, unknown conditional: 0, unknown unconditional: 573] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 570, Positive conditional cache size: 0, Positive unconditional cache size: 570, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 83 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 76 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 76 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 76 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 881.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 16.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 74, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 697.5s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 6389 SizeOfPredicates, 19 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 0/9 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