./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.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 e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 [2024-10-18 21:00:09,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 21:00:09,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 21:00:09,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 21:00:09,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 21:00:09,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 21:00:09,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 21:00:09,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 21:00:09,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 21:00:09,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 21:00:09,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 21:00:09,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 21:00:09,903 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 21:00:09,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 21:00:09,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 21:00:09,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 21:00:09,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 21:00:09,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 21:00:09,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 21:00:09,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 21:00:09,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 21:00:09,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 21:00:09,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 21:00:09,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 21:00:09,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 21:00:09,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 21:00:09,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 21:00:09,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 21:00:09,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 21:00:09,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 21:00:09,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:00:09,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 21:00:09,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 21:00:09,911 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 21:00:09,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 21:00:09,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 21:00:09,911 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 21:00:09,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 21:00:09,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 21:00:09,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 21:00:09,913 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 21:00:09,913 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 -> e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad 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 -> DFS 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: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 21:00:10,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 21:00:10,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 21:00:10,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 21:00:10,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 21:00:10,197 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 21:00:10,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 21:00:11,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 21:00:11,829 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 21:00:11,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 21:00:11,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b17cc348f/fedac6ff84b8486e8ec1316965a6244d/FLAG046d7ca26 [2024-10-18 21:00:11,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b17cc348f/fedac6ff84b8486e8ec1316965a6244d [2024-10-18 21:00:11,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 21:00:11,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 21:00:11,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 21:00:11,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 21:00:11,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 21:00:11,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:00:11" (1/1) ... [2024-10-18 21:00:11,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113d3d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:11, skipping insertion in model container [2024-10-18 21:00:11,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:00:11" (1/1) ... [2024-10-18 21:00:11,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 21:00:12,105 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-18 21:00:12,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:00:12,287 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 21:00:12,299 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-18 21:00:12,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:00:12,392 INFO L204 MainTranslator]: Completed translation [2024-10-18 21:00:12,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12 WrapperNode [2024-10-18 21:00:12,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 21:00:12,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 21:00:12,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 21:00:12,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 21:00:12,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,445 INFO L138 Inliner]: procedures = 175, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-18 21:00:12,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 21:00:12,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 21:00:12,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 21:00:12,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 21:00:12,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 21:00:12,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 21:00:12,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 21:00:12,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 21:00:12,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (1/1) ... [2024-10-18 21:00:12,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:00:12,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:00:12,519 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) [2024-10-18 21:00:12,523 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 [2024-10-18 21:00:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 21:00:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 21:00:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 21:00:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 21:00:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 21:00:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 21:00:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 21:00:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 21:00:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 21:00:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 21:00:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 21:00:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 21:00:12,576 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 21:00:12,709 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 21:00:12,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 21:00:12,851 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 21:00:12,852 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 21:00:12,954 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 21:00:12,955 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 21:00:12,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:00:12 BoogieIcfgContainer [2024-10-18 21:00:12,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 21:00:12,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 21:00:12,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 21:00:12,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 21:00:12,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:00:11" (1/3) ... [2024-10-18 21:00:12,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72078feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:00:12, skipping insertion in model container [2024-10-18 21:00:12,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:00:12" (2/3) ... [2024-10-18 21:00:12,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72078feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:00:12, skipping insertion in model container [2024-10-18 21:00:12,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:00:12" (3/3) ... [2024-10-18 21:00:12,977 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 21:00:12,991 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 21:00:12,991 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 21:00:12,991 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 21:00:13,046 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 21:00:13,093 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 21:00:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 21:00:13,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:00:13,097 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) [2024-10-18 21:00:13,098 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 [2024-10-18 21:00:13,200 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 21:00:13,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:00:13,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 21:00:13,227 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;@707e3739, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 21:00:13,227 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 21:00:14,009 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)] === [2024-10-18 21:00:14,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:00:14,013 INFO L85 PathProgramCache]: Analyzing trace with hash 219329761, now seen corresponding path program 1 times [2024-10-18 21:00:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:00:14,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625146700] [2024-10-18 21:00:14,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:00:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:00:14,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:00:14,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625146700] [2024-10-18 21:00:14,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625146700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:00:14,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:00:14,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:00:14,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742578065] [2024-10-18 21:00:14,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:00:14,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:00:14,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:00:14,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:00:14,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:00:14,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:14,597 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:00:14,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-10-18 21:00:14,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:14,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1782077847, now seen corresponding path program 1 times [2024-10-18 21:00:14,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:14,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:14,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:15,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 21:00:15,075 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)] === [2024-10-18 21:00:15,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:00:15,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1518013743, now seen corresponding path program 1 times [2024-10-18 21:00:15,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:00:15,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610138540] [2024-10-18 21:00:15,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:15,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:00:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:00:15,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:00:15,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610138540] [2024-10-18 21:00:15,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610138540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:00:15,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:00:15,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:00:15,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996031453] [2024-10-18 21:00:15,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:00:15,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:00:15,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:00:15,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:00:15,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:00:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:15,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:00:15,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-10-18 21:00:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:15,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:15,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1782077840, now seen corresponding path program 1 times [2024-10-18 21:00:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1069672921, now seen corresponding path program 1 times [2024-10-18 21:00:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:15,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1286092093, now seen corresponding path program 1 times [2024-10-18 21:00:15,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:15,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1842602393, now seen corresponding path program 1 times [2024-10-18 21:00:15,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:15,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:15,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,020 INFO L85 PathProgramCache]: Analyzing trace with hash -356202814, now seen corresponding path program 1 times [2024-10-18 21:00:16,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:16,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,216 INFO L85 PathProgramCache]: Analyzing trace with hash 292626353, now seen corresponding path program 1 times [2024-10-18 21:00:16,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,342 INFO L85 PathProgramCache]: Analyzing trace with hash 521273708, now seen corresponding path program 1 times [2024-10-18 21:00:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:16,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1051876598, now seen corresponding path program 1 times [2024-10-18 21:00:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:16,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,511 INFO L85 PathProgramCache]: Analyzing trace with hash -935899564, now seen corresponding path program 1 times [2024-10-18 21:00:16,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:16,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:16,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash -10332331, now seen corresponding path program 1 times [2024-10-18 21:00:17,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:17,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:17,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash -908488122, now seen corresponding path program 1 times [2024-10-18 21:00:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:17,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:17,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:17,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1830416368, now seen corresponding path program 1 times [2024-10-18 21:00:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:17,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:17,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:17,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 21:00:17,602 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)] === [2024-10-18 21:00:17,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:00:17,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1169079377, now seen corresponding path program 2 times [2024-10-18 21:00:17,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:00:17,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379903594] [2024-10-18 21:00:17,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:17,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:00:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:00:17,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:00:17,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379903594] [2024-10-18 21:00:17,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379903594] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:00:17,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:00:17,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:00:17,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116610850] [2024-10-18 21:00:17,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:00:17,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:00:17,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:00:17,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:00:17,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:00:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:17,760 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:00:17,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-18 21:00:17,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:17,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:17,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:18,851 INFO L85 PathProgramCache]: Analyzing trace with hash -10332232, now seen corresponding path program 1 times [2024-10-18 21:00:18,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:18,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:18,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:19,671 INFO L85 PathProgramCache]: Analyzing trace with hash -908487953, now seen corresponding path program 1 times [2024-10-18 21:00:19,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:19,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:19,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:19,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1830416197, now seen corresponding path program 1 times [2024-10-18 21:00:19,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:19,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:19,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:19,889 INFO L85 PathProgramCache]: Analyzing trace with hash 218058984, now seen corresponding path program 1 times [2024-10-18 21:00:19,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:19,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:19,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash 122045952, now seen corresponding path program 1 times [2024-10-18 21:00:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:20,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:20,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1112466036, now seen corresponding path program 1 times [2024-10-18 21:00:20,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:20,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:20,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:20,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 21:00:20,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 21:00:20,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:00:20,781 INFO L85 PathProgramCache]: Analyzing trace with hash -86845015, now seen corresponding path program 3 times [2024-10-18 21:00:20,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:00:20,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595742781] [2024-10-18 21:00:20,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:20,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:00:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:00:20,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:00:20,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595742781] [2024-10-18 21:00:20,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595742781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:00:20,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:00:20,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:00:20,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632419862] [2024-10-18 21:00:20,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:00:20,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:00:20,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:00:20,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:00:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:00:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:20,942 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:00:20,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-10-18 21:00:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:20,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:00:22,366 INFO L85 PathProgramCache]: Analyzing trace with hash -10331880, now seen corresponding path program 1 times [2024-10-18 21:00:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:00:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:00:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:22,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:00:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:00:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:00:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 21:00:25,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 21:00:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 21:00:25,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 21:00:25,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-10-18 21:00:25,225 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 21:00:25,228 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 21:00:25,229 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 21:00:25,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:00:25 BasicIcfg [2024-10-18 21:00:25,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 21:00:25,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 21:00:25,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 21:00:25,236 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 21:00:25,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:00:12" (3/4) ... [2024-10-18 21:00:25,238 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 21:00:25,245 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 21:00:25,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 21:00:25,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 21:00:25,249 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-10-18 21:00:25,251 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-18 21:00:25,251 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-18 21:00:25,252 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 21:00:25,328 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 21:00:25,328 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 21:00:25,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 21:00:25,329 INFO L158 Benchmark]: Toolchain (without parser) took 13461.80ms. Allocated memory was 167.8MB in the beginning and 356.5MB in the end (delta: 188.7MB). Free memory was 110.8MB in the beginning and 190.0MB in the end (delta: -79.2MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. [2024-10-18 21:00:25,329 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:00:25,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.21ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 87.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-18 21:00:25,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.15ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:00:25,330 INFO L158 Benchmark]: Boogie Preprocessor took 33.05ms. Allocated memory is still 167.8MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:00:25,331 INFO L158 Benchmark]: RCFGBuilder took 474.88ms. Allocated memory is still 167.8MB. Free memory was 84.1MB in the beginning and 134.9MB in the end (delta: -50.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-10-18 21:00:25,331 INFO L158 Benchmark]: TraceAbstraction took 12264.93ms. Allocated memory was 245.4MB in the beginning and 356.5MB in the end (delta: 111.1MB). Free memory was 213.8MB in the beginning and 194.2MB in the end (delta: 19.6MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2024-10-18 21:00:25,331 INFO L158 Benchmark]: Witness Printer took 92.88ms. Allocated memory is still 356.5MB. Free memory was 194.2MB in the beginning and 190.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:00:25,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.21ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 87.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.15ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.05ms. Allocated memory is still 167.8MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.88ms. Allocated memory is still 167.8MB. Free memory was 84.1MB in the beginning and 134.9MB in the end (delta: -50.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12264.93ms. Allocated memory was 245.4MB in the beginning and 356.5MB in the end (delta: 111.1MB). Free memory was 213.8MB in the beginning and 194.2MB in the end (delta: 19.6MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. * Witness Printer took 92.88ms. Allocated memory is still 356.5MB. Free memory was 194.2MB in the beginning and 190.0MB 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: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 2217, dependent conditional: 2181, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1116, independent: 948, independent conditional: 355, independent unconditional: 593, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1116, independent: 606, independent conditional: 0, independent unconditional: 606, dependent: 510, dependent conditional: 0, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8693, independent: 6441, independent conditional: 6244, independent unconditional: 197, dependent: 2252, dependent conditional: 1538, dependent unconditional: 713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18109, independent: 14944, independent conditional: 4178, independent unconditional: 10766, dependent: 2049, dependent conditional: 285, dependent unconditional: 1764, unknown: 1116, unknown conditional: 505, unknown unconditional: 611] , Statistics on independence cache: Total cache size (in pairs): 1116, Positive cache size: 948, Positive conditional cache size: 355, Positive unconditional cache size: 593, Negative cache size: 168, Negative conditional cache size: 150, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12461, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 2217, dependent conditional: 2181, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1116, independent: 948, independent conditional: 355, independent unconditional: 593, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1116, independent: 606, independent conditional: 0, independent unconditional: 606, dependent: 510, dependent conditional: 0, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8693, independent: 6441, independent conditional: 6244, independent unconditional: 197, dependent: 2252, dependent conditional: 1538, dependent unconditional: 713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18109, independent: 14944, independent conditional: 4178, independent unconditional: 10766, dependent: 2049, dependent conditional: 285, dependent unconditional: 1764, unknown: 1116, unknown conditional: 505, unknown unconditional: 611] , Statistics on independence cache: Total cache size (in pairs): 1116, Positive cache size: 948, Positive conditional cache size: 355, Positive unconditional cache size: 593, Negative cache size: 168, Negative conditional cache size: 150, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12461 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 550, Number of trivial persistent sets: 281, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 611, independent: 593, independent conditional: 0, independent unconditional: 593, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16284, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 392, dependent conditional: 374, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 2217, dependent conditional: 2181, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1116, independent: 948, independent conditional: 355, independent unconditional: 593, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1116, independent: 606, independent conditional: 0, independent unconditional: 606, dependent: 510, dependent conditional: 0, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8693, independent: 6441, independent conditional: 6244, independent unconditional: 197, dependent: 2252, dependent conditional: 1538, dependent unconditional: 713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18109, independent: 14944, independent conditional: 4178, independent unconditional: 10766, dependent: 2049, dependent conditional: 285, dependent unconditional: 1764, unknown: 1116, unknown conditional: 505, unknown unconditional: 611] , Statistics on independence cache: Total cache size (in pairs): 1116, Positive cache size: 948, Positive conditional cache size: 355, Positive unconditional cache size: 593, Negative cache size: 168, Negative conditional cache size: 150, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12461, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 15248, independent unconditional: 644, dependent: 2217, dependent conditional: 2181, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18109, independent: 15892, independent conditional: 4533, independent unconditional: 11359, dependent: 2217, dependent conditional: 435, dependent unconditional: 1782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1116, independent: 948, independent conditional: 355, independent unconditional: 593, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1116, independent: 606, independent conditional: 0, independent unconditional: 606, dependent: 510, dependent conditional: 0, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 510, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 168, dependent conditional: 150, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8693, independent: 6441, independent conditional: 6244, independent unconditional: 197, dependent: 2252, dependent conditional: 1538, dependent unconditional: 713, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18109, independent: 14944, independent conditional: 4178, independent unconditional: 10766, dependent: 2049, dependent conditional: 285, dependent unconditional: 1764, unknown: 1116, unknown conditional: 505, unknown unconditional: 611] , Statistics on independence cache: Total cache size (in pairs): 1116, Positive cache size: 948, Positive conditional cache size: 355, Positive unconditional cache size: 593, Negative cache size: 168, Negative conditional cache size: 150, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12461 ], Independence queries for same thread: 0 - 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, 60 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 10.9s, 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: 24, 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, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 0.0s, ConditionalCommutativityCheckTime: 8.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 20, ConditionalCommutativityTraceChecks: 20, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 21:00:25,361 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 [2024-10-18 21:00:25,557 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