/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 12:11:27,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 12:11:27,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 12:11:27,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 12:11:27,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 12:11:27,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 12:11:27,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 12:11:27,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 12:11:27,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 12:11:27,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 12:11:27,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 12:11:27,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 12:11:27,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 12:11:27,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 12:11:27,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 12:11:27,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 12:11:27,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 12:11:27,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 12:11:27,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 12:11:27,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 12:11:27,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 12:11:27,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 12:11:27,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 12:11:27,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 12:11:27,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 12:11:27,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 12:11:27,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 12:11:27,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 12:11:27,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 12:11:27,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 12:11:27,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 12:11:27,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 12:11:27,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 12:11:27,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 12:11:27,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 12:11:27,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 12:11:27,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 12:11:27,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 12:11:27,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 12:11:27,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 12:11:27,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 12:11:27,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 12:11:27,294 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 12:11:27,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 12:11:27,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 12:11:27,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 12:11:27,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 12:11:27,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 12:11:27,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 12:11:27,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 12:11:27,297 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 12:11:27,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 12:11:27,298 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 12:11:27,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 12:11:27,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 12:11:27,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 12:11:27,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 12:11:27,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 12:11:27,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 12:11:27,299 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 12:11:27,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 12:11:27,299 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 12:11:27,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 12:11:27,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 12:11:27,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 12:11:27,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 12:11:27,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 12:11:27,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:11:27,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 12:11:27,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 12:11:27,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 12:11:27,301 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 12:11:27,301 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 12:11:27,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 12:11:27,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 12:11:27,302 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 12:11:27,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 12:11:27,302 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 12:11:27,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 12:11:27,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 12:11:27,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 12:11:27,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 12:11:27,651 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 12:11:27,651 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 12:11:27,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-05-20 12:11:27,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda56b6fb/0d61811e2c174446b7369d804b47ff43/FLAG370bf6691 [2023-05-20 12:11:28,444 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 12:11:28,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-05-20 12:11:28,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda56b6fb/0d61811e2c174446b7369d804b47ff43/FLAG370bf6691 [2023-05-20 12:11:28,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda56b6fb/0d61811e2c174446b7369d804b47ff43 [2023-05-20 12:11:28,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 12:11:28,499 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 12:11:28,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 12:11:28,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 12:11:28,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 12:11:28,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11aef1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28, skipping insertion in model container [2023-05-20 12:11:28,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 12:11:28,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 12:11:28,748 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/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-05-20 12:11:28,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:11:28,756 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 12:11:28,788 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/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-05-20 12:11:28,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 12:11:28,815 INFO L208 MainTranslator]: Completed translation [2023-05-20 12:11:28,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28 WrapperNode [2023-05-20 12:11:28,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 12:11:28,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 12:11:28,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 12:11:28,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 12:11:28,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,862 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2023-05-20 12:11:28,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 12:11:28,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 12:11:28,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 12:11:28,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 12:11:28,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,896 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 12:11:28,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 12:11:28,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 12:11:28,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 12:11:28,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (1/1) ... [2023-05-20 12:11:28,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 12:11:28,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:11:28,942 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 12:11:28,967 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 12:11:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 12:11:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 12:11:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 12:11:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 12:11:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 12:11:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 12:11:29,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 12:11:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 12:11:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 12:11:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 12:11:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 12:11:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 12:11:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 12:11:29,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 12:11:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 12:11:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 12:11:29,012 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 12:11:29,119 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 12:11:29,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 12:11:29,511 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 12:11:29,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 12:11:29,621 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 12:11:29,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:11:29 BoogieIcfgContainer [2023-05-20 12:11:29,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 12:11:29,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 12:11:29,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 12:11:29,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 12:11:29,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 12:11:28" (1/3) ... [2023-05-20 12:11:29,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220e747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:11:29, skipping insertion in model container [2023-05-20 12:11:29,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:11:28" (2/3) ... [2023-05-20 12:11:29,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220e747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:11:29, skipping insertion in model container [2023-05-20 12:11:29,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:11:29" (3/3) ... [2023-05-20 12:11:29,637 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2023-05-20 12:11:29,644 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 12:11:29,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 12:11:29,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 12:11:29,665 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 12:11:29,852 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 12:11:29,944 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:11:29,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 12:11:29,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:11:29,967 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 12:11:30,052 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 12:11:30,083 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 12:11:30,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 12:11:30,135 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;@23a2f387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 12:11:30,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 12:11:30,512 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 1 more)] === [2023-05-20 12:11:30,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:11:30,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1741876110, now seen corresponding path program 1 times [2023-05-20 12:11:30,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:11:30,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140663768] [2023-05-20 12:11:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:11:30,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:11:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:11:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-20 12:11:31,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:11:31,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140663768] [2023-05-20 12:11:31,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140663768] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 12:11:31,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 12:11:31,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 12:11:31,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467199008] [2023-05-20 12:11:31,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 12:11:31,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 12:11:31,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:11:31,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 12:11:31,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 12:11:31,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:11:31,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:11:31,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 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 12:11:31,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:11:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:11:31,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 12:11:31,268 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 1 more)] === [2023-05-20 12:11:31,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:11:31,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1683768812, now seen corresponding path program 1 times [2023-05-20 12:11:31,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:11:31,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701197022] [2023-05-20 12:11:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:11:31,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:11:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:11:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:11:32,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 12:11:32,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701197022] [2023-05-20 12:11:32,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701197022] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 12:11:32,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293458519] [2023-05-20 12:11:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:11:32,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 12:11:32,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 12:11:32,865 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) [2023-05-20 12:11:32,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 12:11:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:11:33,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 12:11:33,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 12:11:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 12:11:33,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 12:11:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 12:11:34,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293458519] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 12:11:34,212 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 12:11:34,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 10] total 20 [2023-05-20 12:11:34,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454814224] [2023-05-20 12:11:34,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 12:11:34,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-20 12:11:34,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 12:11:34,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-20 12:11:34,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-05-20 12:11:34,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:11:34,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 12:11:34,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.6) internal successors, (152), 20 states have internal predecessors, (152), 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 12:11:34,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:11:34,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:11:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 12:11:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 12:11:35,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 12:11:35,917 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,SelfDestructingSolverStorable1 [2023-05-20 12:11:35,917 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 1 more)] === [2023-05-20 12:11:35,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 12:11:35,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1151832343, now seen corresponding path program 1 times [2023-05-20 12:11:35,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 12:11:35,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974880035] [2023-05-20 12:11:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 12:11:35,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 12:11:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 12:21:41,420 WARN L233 SmtUtils]: Spent 17.03s on a formula simplification. DAG size of input: 154 DAG size of output: 151 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 12:24:04,930 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 147 DAG size of output: 141 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-20 12:25:57,425 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 12:25:57,425 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 12:25:57,479 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 12:25:57,481 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 12:25:57,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 12:25:57,481 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 329ms.. [2023-05-20 12:25:57,483 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 12:25:57,483 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 12:25:57,483 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 12:25:57,487 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-20 12:25:57,490 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 12:25:57,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 12:25:57,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 12:25:57 BasicIcfg [2023-05-20 12:25:57,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 12:25:57,494 INFO L158 Benchmark]: Toolchain (without parser) took 868993.89ms. Allocated memory was 185.6MB in the beginning and 1.1GB in the end (delta: 926.9MB). Free memory was 158.9MB in the beginning and 852.7MB in the end (delta: -693.7MB). Peak memory consumption was 703.3MB. Max. memory is 8.0GB. [2023-05-20 12:25:57,494 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 185.6MB. Free memory was 141.5MB in the beginning and 141.4MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 12:25:57,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.79ms. Allocated memory was 185.6MB in the beginning and 287.3MB in the end (delta: 101.7MB). Free memory was 158.9MB in the beginning and 256.6MB in the end (delta: -97.7MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2023-05-20 12:25:57,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.51ms. Allocated memory is still 287.3MB. Free memory was 256.6MB in the beginning and 255.0MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 12:25:57,497 INFO L158 Benchmark]: Boogie Preprocessor took 35.33ms. Allocated memory is still 287.3MB. Free memory was 255.0MB in the beginning and 253.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 12:25:57,497 INFO L158 Benchmark]: RCFGBuilder took 723.74ms. Allocated memory is still 287.3MB. Free memory was 253.2MB in the beginning and 234.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-05-20 12:25:57,501 INFO L158 Benchmark]: TraceAbstraction took 867863.50ms. Allocated memory was 287.3MB in the beginning and 1.1GB in the end (delta: 825.2MB). Free memory was 233.6MB in the beginning and 852.7MB in the end (delta: -619.0MB). Peak memory consumption was 677.2MB. Max. memory is 8.0GB. [2023-05-20 12:25:57,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 185.6MB. Free memory was 141.5MB in the beginning and 141.4MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 302.79ms. Allocated memory was 185.6MB in the beginning and 287.3MB in the end (delta: 101.7MB). Free memory was 158.9MB in the beginning and 256.6MB in the end (delta: -97.7MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.51ms. Allocated memory is still 287.3MB. Free memory was 256.6MB in the beginning and 255.0MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.33ms. Allocated memory is still 287.3MB. Free memory was 255.0MB in the beginning and 253.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 723.74ms. Allocated memory is still 287.3MB. Free memory was 253.2MB in the beginning and 234.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 867863.50ms. Allocated memory was 287.3MB in the beginning and 1.1GB in the end (delta: 825.2MB). Free memory was 233.6MB in the beginning and 852.7MB in the end (delta: -619.0MB). Peak memory consumption was 677.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3239, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 373, dependent conditional: 348, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 38, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1361, independent: 1330, independent conditional: 5, independent unconditional: 1325, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1361, independent: 1323, independent conditional: 0, independent unconditional: 1323, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 374, independent: 77, independent conditional: 25, independent unconditional: 52, dependent: 297, dependent conditional: 106, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2991, independent: 1536, independent conditional: 19, independent unconditional: 1517, dependent: 94, dependent conditional: 29, dependent unconditional: 65, unknown: 1361, unknown conditional: 11, unknown unconditional: 1350] , Statistics on independence cache: Total cache size (in pairs): 1361, Positive cache size: 1330, Positive conditional cache size: 5, Positive unconditional cache size: 1325, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 310 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 283, Number of trivial persistent sets: 205, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1550, independent: 1525, independent conditional: 0, independent unconditional: 1525, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3239, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 373, dependent conditional: 348, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 38, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1361, independent: 1330, independent conditional: 5, independent unconditional: 1325, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1361, independent: 1323, independent conditional: 0, independent unconditional: 1323, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 374, independent: 77, independent conditional: 25, independent unconditional: 52, dependent: 297, dependent conditional: 106, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2991, independent: 1536, independent conditional: 19, independent unconditional: 1517, dependent: 94, dependent conditional: 29, dependent unconditional: 65, unknown: 1361, unknown conditional: 11, unknown unconditional: 1350] , Statistics on independence cache: Total cache size (in pairs): 1361, Positive cache size: 1330, Positive conditional cache size: 5, Positive unconditional cache size: 1325, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 310 - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 329ms.. - TimeoutResultAtElement [Line: 112]: 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 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 329ms.. - TimeoutResultAtElement [Line: 111]: 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 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 329ms.. - TimeoutResultAtElement [Line: 110]: 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 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 329ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 133 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 867.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 2.9s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 1416 SizeOfPredicates, 16 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 70/88 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