/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/weaver/bench-exp3x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 16:39:46,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 16:39:46,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 16:39:46,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 16:39:46,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 16:39:46,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 16:39:46,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 16:39:46,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 16:39:46,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 16:39:46,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 16:39:46,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 16:39:46,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 16:39:46,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 16:39:46,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 16:39:46,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 16:39:46,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 16:39:46,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 16:39:46,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 16:39:46,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 16:39:46,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 16:39:46,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 16:39:46,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 16:39:46,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 16:39:46,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 16:39:46,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 16:39:46,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 16:39:46,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 16:39:46,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 16:39:46,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 16:39:46,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 16:39:46,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 16:39:46,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 16:39:46,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 16:39:46,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 16:39:46,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 16:39:46,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 16:39:46,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 16:39:46,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 16:39:46,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 16:39:46,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 16:39:46,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 16:39:46,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 16:39:46,976 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 16:39:46,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 16:39:46,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 16:39:46,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 16:39:46,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 16:39:46,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 16:39:46,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 16:39:46,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 16:39:46,978 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 16:39:46,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 16:39:46,979 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 16:39:46,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 16:39:46,980 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 16:39:46,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 16:39:46,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 16:39:46,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 16:39:46,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 16:39:46,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 16:39:46,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:39:46,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 16:39:46,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 16:39:46,982 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 16:39:46,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 16:39:47,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 16:39:47,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 16:39:47,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 16:39:47,175 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 16:39:47,177 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 16:39:47,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2023-05-20 16:39:47,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba0914f9/227933a4625f4bd991ca564bf2823433/FLAGcba700fc0 [2023-05-20 16:39:47,576 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 16:39:47,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2023-05-20 16:39:47,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba0914f9/227933a4625f4bd991ca564bf2823433/FLAGcba700fc0 [2023-05-20 16:39:47,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba0914f9/227933a4625f4bd991ca564bf2823433 [2023-05-20 16:39:47,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 16:39:47,987 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 16:39:47,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 16:39:47,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 16:39:47,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 16:39:47,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:39:47" (1/1) ... [2023-05-20 16:39:47,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660e8614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:47, skipping insertion in model container [2023-05-20 16:39:47,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:39:47" (1/1) ... [2023-05-20 16:39:47,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 16:39:48,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 16:39:48,148 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/bench-exp3x3.wvr.c[2625,2638] [2023-05-20 16:39:48,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:39:48,155 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 16:39:48,185 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/bench-exp3x3.wvr.c[2625,2638] [2023-05-20 16:39:48,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:39:48,194 INFO L208 MainTranslator]: Completed translation [2023-05-20 16:39:48,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48 WrapperNode [2023-05-20 16:39:48,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 16:39:48,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 16:39:48,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 16:39:48,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 16:39:48,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,241 INFO L138 Inliner]: procedures = 22, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2023-05-20 16:39:48,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 16:39:48,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 16:39:48,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 16:39:48,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 16:39:48,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 16:39:48,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 16:39:48,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 16:39:48,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 16:39:48,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (1/1) ... [2023-05-20 16:39:48,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:39:48,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:39:48,304 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 16:39:48,309 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 16:39:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 16:39:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 16:39:48,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 16:39:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 16:39:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 16:39:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 16:39:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 16:39:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 16:39:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 16:39:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 16:39:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-20 16:39:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-20 16:39:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-05-20 16:39:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-05-20 16:39:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 16:39:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 16:39:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 16:39:48,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 16:39:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 16:39:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 16:39:48,336 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 16:39:48,446 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 16:39:48,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 16:39:48,682 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 16:39:48,688 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 16:39:48,689 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-20 16:39:48,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:39:48 BoogieIcfgContainer [2023-05-20 16:39:48,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 16:39:48,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 16:39:48,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 16:39:48,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 16:39:48,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:39:47" (1/3) ... [2023-05-20 16:39:48,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6805b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:39:48, skipping insertion in model container [2023-05-20 16:39:48,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:39:48" (2/3) ... [2023-05-20 16:39:48,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6805b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:39:48, skipping insertion in model container [2023-05-20 16:39:48,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:39:48" (3/3) ... [2023-05-20 16:39:48,699 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2023-05-20 16:39:48,704 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 16:39:48,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 16:39:48,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 16:39:48,713 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 16:39:48,807 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-05-20 16:39:48,837 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:39:48,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:39:48,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:39:48,839 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 16:39:48,843 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 16:39:48,863 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:39:48,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 16:39:48,879 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;@14c7f49f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:39:48,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-05-20 16:39:49,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-20 16:39:49,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:39:49,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2084939384, now seen corresponding path program 1 times [2023-05-20 16:39:49,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:39:49,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869112803] [2023-05-20 16:39:49,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:39:49,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:39:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:39:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-05-20 16:39:49,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:39:49,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869112803] [2023-05-20 16:39:49,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869112803] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:39:49,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:39:49,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 16:39:49,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942999723] [2023-05-20 16:39:49,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:39:49,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 16:39:49,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:39:49,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 16:39:49,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 16:39:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:39:49,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:39:49,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 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 16:39:49,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:39:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:39:49,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 16:39:49,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-20 16:39:49,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:39:49,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1681013224, now seen corresponding path program 1 times [2023-05-20 16:39:49,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:39:49,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699252167] [2023-05-20 16:39:49,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:39:49,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:39:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:39:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 16:39:50,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:39:50,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699252167] [2023-05-20 16:39:50,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699252167] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:39:50,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:39:50,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 16:39:50,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551380563] [2023-05-20 16:39:50,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:39:50,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 16:39:50,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:39:50,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 16:39:50,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-05-20 16:39:50,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:39:50,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:39:50,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 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 16:39:50,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:39:50,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:39:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:39:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 16:39:50,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 16:39:50,562 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-20 16:39:50,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:39:50,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1021984630, now seen corresponding path program 1 times [2023-05-20 16:39:50,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:39:50,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590742821] [2023-05-20 16:39:50,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:39:50,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-05-20 16:54:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-05-20 16:54:22,597 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 16:54:22,597 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 16:54:22,830 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-05-20 16:54:22,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 16:54:22,830 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. [2023-05-20 16:54:22,831 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-05-20 16:54:22,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-05-20 16:54:22,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-05-20 16:54:22,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-05-20 16:54:22,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2023-05-20 16:54:22,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-05-20 16:54:22,836 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-20 16:54:22,838 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 16:54:22,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 16:54:22,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:54:22 BasicIcfg [2023-05-20 16:54:22,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 16:54:22,841 INFO L158 Benchmark]: Toolchain (without parser) took 874853.05ms. Allocated memory was 196.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 144.6MB in the beginning and 1.1GB in the end (delta: -916.3MB). Peak memory consumption was 985.8MB. Max. memory is 8.0GB. [2023-05-20 16:54:22,841 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 16:54:22,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.76ms. Allocated memory is still 196.1MB. Free memory was 144.3MB in the beginning and 172.9MB in the end (delta: -28.7MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2023-05-20 16:54:22,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.00ms. Allocated memory is still 196.1MB. Free memory was 172.9MB in the beginning and 171.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 16:54:22,842 INFO L158 Benchmark]: Boogie Preprocessor took 29.26ms. Allocated memory is still 196.1MB. Free memory was 171.0MB in the beginning and 169.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 16:54:22,842 INFO L158 Benchmark]: RCFGBuilder took 418.85ms. Allocated memory is still 196.1MB. Free memory was 169.3MB in the beginning and 152.2MB in the end (delta: 17.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-20 16:54:22,842 INFO L158 Benchmark]: TraceAbstraction took 874148.30ms. Allocated memory was 196.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 151.2MB in the beginning and 1.1GB in the end (delta: -909.6MB). Peak memory consumption was 991.7MB. Max. memory is 8.0GB. [2023-05-20 16:54:22,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 204.76ms. Allocated memory is still 196.1MB. Free memory was 144.3MB in the beginning and 172.9MB in the end (delta: -28.7MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.00ms. Allocated memory is still 196.1MB. Free memory was 172.9MB in the beginning and 171.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.26ms. Allocated memory is still 196.1MB. Free memory was 171.0MB in the beginning and 169.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 418.85ms. Allocated memory is still 196.1MB. Free memory was 169.3MB in the beginning and 152.2MB in the end (delta: 17.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 874148.30ms. Allocated memory was 196.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 151.2MB in the beginning and 1.1GB in the end (delta: -909.6MB). Peak memory consumption was 991.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7764, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 294, dependent conditional: 279, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7485, independent: 2688, independent conditional: 0, independent unconditional: 2688, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4797, unknown conditional: 0, unknown unconditional: 4797] , Statistics on independence cache: Total cache size (in pairs): 4797, Positive cache size: 4782, Positive conditional cache size: 0, Positive unconditional cache size: 4782, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, 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: 279 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 233, Number of trivial persistent sets: 197, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4902, independent: 4887, independent conditional: 0, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7764, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 294, dependent conditional: 279, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 2583, independent unconditional: 4887, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7485, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4797, independent: 4782, independent conditional: 0, independent unconditional: 4782, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7485, independent: 2688, independent conditional: 0, independent unconditional: 2688, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4797, unknown conditional: 0, unknown unconditional: 4797] , Statistics on independence cache: Total cache size (in pairs): 4797, Positive cache size: 4782, Positive conditional cache size: 0, Positive unconditional cache size: 4782, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, 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: 279 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. - TimeoutResultAtElement [Line: 101]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. - TimeoutResultAtElement [Line: 105]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. - TimeoutResultAtElement [Line: 100]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. - TimeoutResultAtElement [Line: 102]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. - TimeoutResultAtElement [Line: 104]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. - TimeoutResultAtElement [Line: 103]: 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 145 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [590742821] and IpTcStrategyModuleZ3 [520276201]. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 192 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 874.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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: 9, 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, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 1654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 90/90 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