./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.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/safe020_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 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b --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 00:31:16,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 00:31:16,689 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 00:31:16,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 00:31:16,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 00:31:16,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 00:31:16,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 00:31:16,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 00:31:16,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 00:31:16,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 00:31:16,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 00:31:16,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 00:31:16,728 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 00:31:16,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 00:31:16,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 00:31:16,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 00:31:16,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 00:31:16,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 00:31:16,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 00:31:16,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 00:31:16,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 00:31:16,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 00:31:16,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 00:31:16,735 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 00:31:16,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 00:31:16,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 00:31:16,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 00:31:16,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 00:31:16,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 00:31:16,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 00:31:16,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 00:31:16,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 00:31:16,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 00:31:16,738 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 00:31:16,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 00:31:16,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 00:31:16,739 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 00:31:16,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 00:31:16,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 00:31:16,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 00:31:16,740 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 00:31:16,741 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 -> 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b 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 00:31:16,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 00:31:17,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 00:31:17,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 00:31:17,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 00:31:17,007 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 00:31:17,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 00:31:18,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 00:31:18,641 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 00:31:18,642 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 00:31:18,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1ce3c8923/142c5e86fd8447bc93de2ed3595fe718/FLAG91ae3778b [2024-10-17 00:31:18,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1ce3c8923/142c5e86fd8447bc93de2ed3595fe718 [2024-10-17 00:31:18,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 00:31:18,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 00:31:18,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 00:31:18,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 00:31:18,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 00:31:18,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:31:18" (1/1) ... [2024-10-17 00:31:18,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c8bfaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:18, skipping insertion in model container [2024-10-17 00:31:18,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:31:18" (1/1) ... [2024-10-17 00:31:18,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 00:31:18,963 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/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-17 00:31:19,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 00:31:19,194 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 00:31:19,208 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/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-17 00:31:19,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 00:31:19,272 INFO L204 MainTranslator]: Completed translation [2024-10-17 00:31:19,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19 WrapperNode [2024-10-17 00:31:19,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 00:31:19,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 00:31:19,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 00:31:19,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 00:31:19,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,327 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-17 00:31:19,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 00:31:19,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 00:31:19,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 00:31:19,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 00:31:19,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 00:31:19,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 00:31:19,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 00:31:19,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 00:31:19,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (1/1) ... [2024-10-17 00:31:19,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 00:31:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 00:31:19,416 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 00:31:19,424 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 00:31:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 00:31:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 00:31:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-17 00:31:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-17 00:31:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-17 00:31:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-17 00:31:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-17 00:31:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-17 00:31:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 00:31:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 00:31:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 00:31:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 00:31:19,470 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 00:31:19,607 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 00:31:19,609 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 00:31:19,766 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 00:31:19,766 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 00:31:19,852 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 00:31:19,852 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-17 00:31:19,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:31:19 BoogieIcfgContainer [2024-10-17 00:31:19,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 00:31:19,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 00:31:19,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 00:31:19,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 00:31:19,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 12:31:18" (1/3) ... [2024-10-17 00:31:19,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120205f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:31:19, skipping insertion in model container [2024-10-17 00:31:19,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:31:19" (2/3) ... [2024-10-17 00:31:19,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120205f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:31:19, skipping insertion in model container [2024-10-17 00:31:19,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:31:19" (3/3) ... [2024-10-17 00:31:19,863 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 00:31:19,878 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 00:31:19,878 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 00:31:19,878 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 00:31:19,923 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 00:31:19,962 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 00:31:19,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 00:31:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 00:31:19,964 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 00:31:19,965 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 00:31:20,057 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 00:31:20,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:31:20,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 00:31:20,089 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;@72ac01d8, 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 00:31:20,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 00:31:20,859 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 00:31:20,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:31:20,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1239721216, now seen corresponding path program 1 times [2024-10-17 00:31:20,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:31:20,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721586847] [2024-10-17 00:31:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:31:21,455 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 00:31:21,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:31:21,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721586847] [2024-10-17 00:31:21,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721586847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:31:21,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:31:21,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 00:31:21,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527259958] [2024-10-17 00:31:21,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:31:21,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 00:31:21,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:31:21,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 00:31:21,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-17 00:31:21,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:21,485 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:31:21,486 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) [2024-10-17 00:31:21,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:21,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 00:31:21,774 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 00:31:21,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2089305312, now seen corresponding path program 1 times [2024-10-17 00:31:21,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:21,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:21,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:31:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:22,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:31:22,021 INFO L85 PathProgramCache]: Analyzing trace with hash 284982173, now seen corresponding path program 1 times [2024-10-17 00:31:22,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:31:22,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590209310] [2024-10-17 00:31:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:31:22,228 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 00:31:22,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:31:22,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590209310] [2024-10-17 00:31:22,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590209310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:31:22,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:31:22,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 00:31:22,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526311021] [2024-10-17 00:31:22,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:31:22,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 00:31:22,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:31:22,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 00:31:22,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 00:31:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:22,233 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:31:22,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 00:31:22,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:22,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:22,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:22,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-17 00:31:22,895 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 00:31:22,980 INFO L85 PathProgramCache]: Analyzing trace with hash 434071174, now seen corresponding path program 1 times [2024-10-17 00:31:22,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:22,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:22,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:31:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:23,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1729973130, now seen corresponding path program 1 times [2024-10-17 00:31:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:23,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:31:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:23,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:31:23,114 INFO L85 PathProgramCache]: Analyzing trace with hash -87763239, now seen corresponding path program 2 times [2024-10-17 00:31:23,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:31:23,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681188404] [2024-10-17 00:31:23,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:23,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:31:23,298 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 00:31:23,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:31:23,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681188404] [2024-10-17 00:31:23,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681188404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:31:23,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:31:23,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 00:31:23,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219794270] [2024-10-17 00:31:23,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:31:23,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 00:31:23,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:31:23,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 00:31:23,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 00:31:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:23,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:31:23,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 00:31:23,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-10-17 00:31:23,561 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)] === [2024-10-17 00:31:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash 153713245, now seen corresponding path program 1 times [2024-10-17 00:31:23,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:23,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:31:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:23,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1871636642, now seen corresponding path program 1 times [2024-10-17 00:31:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:23,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:23,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 00:31:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 00:31:23,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 00:31:23,786 INFO L85 PathProgramCache]: Analyzing trace with hash -393979249, now seen corresponding path program 3 times [2024-10-17 00:31:23,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 00:31:23,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641477220] [2024-10-17 00:31:23,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 00:31:23,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 00:31:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 00:31:23,910 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 00:31:23,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 00:31:23,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641477220] [2024-10-17 00:31:23,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641477220] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 00:31:23,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 00:31:23,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 00:31:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533828797] [2024-10-17 00:31:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 00:31:23,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 00:31:23,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 00:31:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 00:31:23,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 00:31:23,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:23,914 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 00:31:23,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 00:31:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:23,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 00:31:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 00:31:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 00:31:24,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-17 00:31:24,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-17 00:31:24,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-17 00:31:24,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-17 00:31:24,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-17 00:31:24,127 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-10-17 00:31:24,129 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 00:31:24,130 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 00:31:24,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 12:31:24 BasicIcfg [2024-10-17 00:31:24,133 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 00:31:24,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 00:31:24,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 00:31:24,134 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 00:31:24,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:31:19" (3/4) ... [2024-10-17 00:31:24,138 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 00:31:24,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-17 00:31:24,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-17 00:31:24,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-17 00:31:24,144 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-17 00:31:24,144 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-17 00:31:24,145 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-17 00:31:24,145 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-17 00:31:24,228 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 00:31:24,228 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 00:31:24,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 00:31:24,229 INFO L158 Benchmark]: Toolchain (without parser) took 5545.98ms. Allocated memory was 132.1MB in the beginning and 257.9MB in the end (delta: 125.8MB). Free memory was 76.8MB in the beginning and 204.9MB in the end (delta: -128.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 00:31:24,229 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 00:31:24,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.47ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 76.8MB in the beginning and 149.9MB in the end (delta: -73.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-17 00:31:24,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.44ms. Allocated memory is still 190.8MB. Free memory was 149.9MB in the beginning and 148.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 00:31:24,230 INFO L158 Benchmark]: Boogie Preprocessor took 45.38ms. Allocated memory is still 190.8MB. Free memory was 148.3MB in the beginning and 147.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 00:31:24,230 INFO L158 Benchmark]: RCFGBuilder took 479.20ms. Allocated memory is still 190.8MB. Free memory was 146.3MB in the beginning and 127.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-17 00:31:24,231 INFO L158 Benchmark]: TraceAbstraction took 4277.17ms. Allocated memory was 190.8MB in the beginning and 257.9MB in the end (delta: 67.1MB). Free memory was 126.0MB in the beginning and 209.1MB in the end (delta: -83.0MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. [2024-10-17 00:31:24,231 INFO L158 Benchmark]: Witness Printer took 95.12ms. Allocated memory is still 257.9MB. Free memory was 209.1MB in the beginning and 204.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 00:31:24,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.47ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 76.8MB in the beginning and 149.9MB in the end (delta: -73.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.44ms. Allocated memory is still 190.8MB. Free memory was 149.9MB in the beginning and 148.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.38ms. Allocated memory is still 190.8MB. Free memory was 148.3MB in the beginning and 147.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.20ms. Allocated memory is still 190.8MB. Free memory was 146.3MB in the beginning and 127.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4277.17ms. Allocated memory was 190.8MB in the beginning and 257.9MB in the end (delta: 67.1MB). Free memory was 126.0MB in the beginning and 209.1MB in the end (delta: -83.0MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. * Witness Printer took 95.12ms. Allocated memory is still 257.9MB. Free memory was 209.1MB in the beginning and 204.9MB 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: 9465, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 206, dependent conditional: 186, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9461, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 202, dependent conditional: 183, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9461, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 202, dependent conditional: 183, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9461, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 202, dependent conditional: 183, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 1729, dependent conditional: 1691, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, independent: 650, independent conditional: 10, independent unconditional: 640, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 499, independent conditional: 271, independent unconditional: 228, dependent: 833, dependent conditional: 148, dependent unconditional: 685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10988, independent: 8609, independent conditional: 313, independent unconditional: 8296, dependent: 1702, dependent conditional: 106, dependent unconditional: 1596, unknown: 677, unknown conditional: 18, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 650, Positive conditional cache size: 10, Positive unconditional cache size: 640, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9873, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 1729, dependent conditional: 1691, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, independent: 650, independent conditional: 10, independent unconditional: 640, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 499, independent conditional: 271, independent unconditional: 228, dependent: 833, dependent conditional: 148, dependent unconditional: 685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10988, independent: 8609, independent conditional: 313, independent unconditional: 8296, dependent: 1702, dependent conditional: 106, dependent unconditional: 1596, unknown: 677, unknown conditional: 18, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 650, Positive conditional cache size: 10, Positive unconditional cache size: 640, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9873 ], Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 608, Number of trivial persistent sets: 339, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 659, independent: 640, independent conditional: 0, independent unconditional: 640, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9465, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 206, dependent conditional: 186, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9461, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 202, dependent conditional: 183, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9461, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 202, dependent conditional: 183, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9461, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 202, dependent conditional: 183, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 1729, dependent conditional: 1691, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, independent: 650, independent conditional: 10, independent unconditional: 640, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 499, independent conditional: 271, independent unconditional: 228, dependent: 833, dependent conditional: 148, dependent unconditional: 685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10988, independent: 8609, independent conditional: 313, independent unconditional: 8296, dependent: 1702, dependent conditional: 106, dependent unconditional: 1596, unknown: 677, unknown conditional: 18, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 650, Positive conditional cache size: 10, Positive unconditional cache size: 640, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9873, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 8619, independent unconditional: 640, dependent: 1729, dependent conditional: 1691, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10988, independent: 9259, independent conditional: 323, independent unconditional: 8936, dependent: 1729, dependent conditional: 114, dependent unconditional: 1615, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 677, independent: 650, independent conditional: 10, independent unconditional: 640, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 677, independent: 632, independent conditional: 0, independent unconditional: 632, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 27, dependent conditional: 8, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 499, independent conditional: 271, independent unconditional: 228, dependent: 833, dependent conditional: 148, dependent unconditional: 685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10988, independent: 8609, independent conditional: 313, independent unconditional: 8296, dependent: 1702, dependent conditional: 106, dependent unconditional: 1596, unknown: 677, unknown conditional: 18, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 650, Positive conditional cache size: 10, Positive unconditional cache size: 640, Negative cache size: 27, Negative conditional cache size: 8, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9873 ], Independence queries for same thread: 4 - 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, 62 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.2s, 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: 23, 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, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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: 0.8s, ConditionalCommutativityCheckTime: 0.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 9, ConditionalCommutativityTraceChecks: 5, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-17 00:31:24,267 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 00:31:24,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE