./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 00:38:57,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 00:38:57,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 00:38:57,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 00:38:57,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 00:38:57,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 00:38:57,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 00:38:57,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 00:38:57,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 00:38:57,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 00:38:57,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 00:38:57,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 00:38:57,842 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 00:38:57,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 00:38:57,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 00:38:57,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 00:38:57,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 00:38:57,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 00:38:57,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 00:38:57,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 00:38:57,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 00:38:57,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 00:38:57,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 00:38:57,848 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 00:38:57,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 00:38:57,848 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 00:38:57,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 00:38:57,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 00:38:57,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 00:38:57,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 00:38:57,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 00:38:57,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 00:38:57,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 00:38:57,850 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 00:38:57,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 00:38:57,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 00:38:57,850 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 00:38:57,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 00:38:57,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 00:38:57,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 00:38:57,851 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 00:38:57,851 INFO L153 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/UGemCutter-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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR [2024-10-17 00:38:58,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 00:38:58,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 00:38:58,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 00:38:58,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 00:38:58,051 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 00:38:58,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2024-10-17 00:38:59,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 00:38:59,513 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 00:38:59,513 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2024-10-17 00:38:59,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/603c5d8b3/8e20477573b84204a1cd9ab3d7285821/FLAG5fe279585 [2024-10-17 00:38:59,537 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/603c5d8b3/8e20477573b84204a1cd9ab3d7285821 [2024-10-17 00:38:59,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 00:38:59,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 00:38:59,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 00:38:59,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 00:38:59,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 00:38:59,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:38:59,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635300a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59, skipping insertion in model container [2024-10-17 00:38:59,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:38:59,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 00:38:59,715 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i[945,958] [2024-10-17 00:38:59,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 00:38:59,853 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 00:38:59,877 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i[945,958] [2024-10-17 00:38:59,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 00:38:59,979 INFO L204 MainTranslator]: Completed translation [2024-10-17 00:38:59,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59 WrapperNode [2024-10-17 00:38:59,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 00:38:59,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 00:38:59,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 00:38:59,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 00:38:59,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,031 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-17 00:39:00,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 00:39:00,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 00:39:00,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 00:39:00,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 00:39:00,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 00:39:00,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 00:39:00,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 00:39:00,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 00:39:00,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (1/1) ... [2024-10-17 00:39:00,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 00:39:00,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 00:39:00,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-17 00:39:00,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-17 00:39:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 00:39:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 00:39:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-17 00:39:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-17 00:39:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-17 00:39:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-17 00:39:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-17 00:39:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-17 00:39:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 00:39:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 00:39:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 00:39:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 00:39:00,136 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 00:39:00,259 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 00:39:00,263 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 00:39:00,374 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 00:39:00,374 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 00:39:00,446 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 00:39:00,448 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-17 00:39:00,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:39:00 BoogieIcfgContainer [2024-10-17 00:39:00,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 00:39:00,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 00:39:00,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 00:39:00,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 00:39:00,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 12:38:59" (1/3) ... [2024-10-17 00:39:00,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f15c782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:39:00, skipping insertion in model container [2024-10-17 00:39:00,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:38:59" (2/3) ... [2024-10-17 00:39:00,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f15c782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:39:00, skipping insertion in model container [2024-10-17 00:39:00,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:39:00" (3/3) ... [2024-10-17 00:39:00,467 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2024-10-17 00:39:00,480 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 00:39:00,480 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 00:39:00,481 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 00:39:00,516 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 00:39:00,545 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 00:39:00,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 00:39:00,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 00:39:00,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 00:39:00,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-17 00:39:00,653 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 00:39:00,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:39:00,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 00:39:00,676 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7111d8af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 00:39:00,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 00:39:01,292 INFO L396 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)] === [2024-10-17 00:39:01,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:39:01,361 INFO L85 PathProgramCache]: Analyzing trace with hash -591436263, now seen corresponding path program 1 times [2024-10-17 00:39:01,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:39:01,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509992999] [2024-10-17 00:39:01,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:39:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:39:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:39:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:39:01,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:39:01,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509992999] [2024-10-17 00:39:01,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509992999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:39:01,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:39:01,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 00:39:01,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405634904] [2024-10-17 00:39:01,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:39:01,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 00:39:01,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:39:01,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 00:39:01,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 00:39:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:39:01,804 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:39:01,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-10-17 00:39:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:39:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:39:01,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 00:39:01,999 INFO L396 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)] === [2024-10-17 00:39:02,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1492121502, now seen corresponding path program 1 times [2024-10-17 00:39:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:39:02,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:39:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:39:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:39:02,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:39:02,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:39:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:39:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:39:02,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 00:39:02,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 00:39:02,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-17 00:39:02,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:39:02,407 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:39:02,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-10-17 00:39:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:39:02,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:39:02,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:39:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:39:02,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-17 00:39:02,596 INFO L396 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)] === [2024-10-17 00:39:02,732 INFO L85 PathProgramCache]: Analyzing trace with hash -572275166, now seen corresponding path program 1 times [2024-10-17 00:39:02,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:39:02,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:39:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:39:02,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:39:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:39:02,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:39:02,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1943447542, now seen corresponding path program 1 times [2024-10-17 00:39:02,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:39:02,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567718429] [2024-10-17 00:39:02,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:39:02,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:39:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:39:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 00:39:02,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:39:02,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567718429] [2024-10-17 00:39:02,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567718429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:39:02,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:39:02,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 00:39:02,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442256748] [2024-10-17 00:39:02,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:39:02,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 00:39:02,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:39:02,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 00:39:02,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 00:39:02,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:39:02,877 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:39:02,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-17 00:39:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:39:02,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:39:02,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:39:03,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:39:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:39:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:39:03,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-17 00:39:03,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-17 00:39:03,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-17 00:39:03,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-17 00:39:03,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3 [2024-10-17 00:39:03,456 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-17 00:39:03,460 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 00:39:03,460 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 00:39:03,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 12:39:03 BasicIcfg [2024-10-17 00:39:03,462 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 00:39:03,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 00:39:03,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 00:39:03,463 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 00:39:03,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:39:00" (3/4) ... [2024-10-17 00:39:03,466 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 00:39:03,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-17 00:39:03,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-17 00:39:03,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-17 00:39:03,472 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-10-17 00:39:03,473 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-17 00:39:03,473 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-17 00:39:03,475 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-17 00:39:03,542 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 00:39:03,542 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 00:39:03,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 00:39:03,543 INFO L158 Benchmark]: Toolchain (without parser) took 4002.27ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 115.2MB in the beginning and 198.7MB in the end (delta: -83.6MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-10-17 00:39:03,543 INFO L158 Benchmark]: CDTParser took 2.52ms. Allocated memory is still 119.5MB. Free memory was 80.4MB in the beginning and 80.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 00:39:03,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.72ms. Allocated memory is still 184.5MB. Free memory was 115.0MB in the beginning and 149.2MB in the end (delta: -34.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-17 00:39:03,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.11ms. Allocated memory is still 184.5MB. Free memory was 148.5MB in the beginning and 147.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 00:39:03,543 INFO L158 Benchmark]: Boogie Preprocessor took 27.54ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 145.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 00:39:03,544 INFO L158 Benchmark]: RCFGBuilder took 388.59ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 126.1MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-17 00:39:03,544 INFO L158 Benchmark]: TraceAbstraction took 3006.12ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 124.8MB in the beginning and 202.9MB in the end (delta: -78.2MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. [2024-10-17 00:39:03,544 INFO L158 Benchmark]: Witness Printer took 79.94ms. Allocated memory is still 266.3MB. Free memory was 202.9MB in the beginning and 198.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 00:39:03,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.52ms. Allocated memory is still 119.5MB. Free memory was 80.4MB in the beginning and 80.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.72ms. Allocated memory is still 184.5MB. Free memory was 115.0MB in the beginning and 149.2MB in the end (delta: -34.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.11ms. Allocated memory is still 184.5MB. Free memory was 148.5MB in the beginning and 147.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.54ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 145.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.59ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 126.1MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3006.12ms. Allocated memory was 184.5MB in the beginning and 266.3MB in the end (delta: 81.8MB). Free memory was 124.8MB in the beginning and 202.9MB in the end (delta: -78.2MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. * Witness Printer took 79.94ms. Allocated memory is still 266.3MB. Free memory was 202.9MB in the beginning and 198.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4190, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1084, independent: 351, independent conditional: 198, independent unconditional: 154, dependent: 732, dependent conditional: 114, dependent unconditional: 619, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1084, independent: 351, independent conditional: 198, independent unconditional: 154, dependent: 732, dependent conditional: 114, dependent unconditional: 619, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798 ], Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 706, Number of trivial persistent sets: 387, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 704, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4190, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1084, independent: 351, independent conditional: 198, independent unconditional: 154, dependent: 732, dependent conditional: 114, dependent unconditional: 619, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1084, independent: 351, independent conditional: 198, independent unconditional: 154, dependent: 732, dependent conditional: 114, dependent unconditional: 619, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798 ], Independence queries for same thread: 3 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, 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: 17, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.6s, ConditionalCommutativityCheckTime: 0.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 5, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-17 00:39:03,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-17 00:39:03,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE