./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_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/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_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 58dc011fd2a961d9f4b52b23fa43b2842c59061a7eec6829cf4a27698c4c4b05 --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 20:42:11,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 20:42:12,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 20:42:12,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 20:42:12,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 20:42:12,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 20:42:12,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 20:42:12,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 20:42:12,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 20:42:12,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 20:42:12,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 20:42:12,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 20:42:12,102 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 20:42:12,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 20:42:12,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 20:42:12,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 20:42:12,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 20:42:12,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 20:42:12,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 20:42:12,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 20:42:12,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 20:42:12,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 20:42:12,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 20:42:12,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 20:42:12,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 20:42:12,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 20:42:12,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 20:42:12,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 20:42:12,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 20:42:12,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 20:42:12,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:42:12,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 20:42:12,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 20:42:12,114 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 20:42:12,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 20:42:12,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 20:42:12,115 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 20:42:12,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 20:42:12,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 20:42:12,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 20:42:12,118 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 20:42:12,118 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 -> 58dc011fd2a961d9f4b52b23fa43b2842c59061a7eec6829cf4a27698c4c4b05 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 20:42:12,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 20:42:12,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 20:42:12,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 20:42:12,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 20:42:12,394 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 20:42:12,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 20:42:13,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 20:42:14,087 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 20:42:14,087 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 20:42:14,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a604893a6/b2c01c407aca44da89864afa298a57b8/FLAG047a9cced [2024-10-18 20:42:14,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a604893a6/b2c01c407aca44da89864afa298a57b8 [2024-10-18 20:42:14,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 20:42:14,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 20:42:14,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 20:42:14,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 20:42:14,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 20:42:14,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19555c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14, skipping insertion in model container [2024-10-18 20:42:14,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 20:42:14,337 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/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2024-10-18 20:42:14,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:42:14,501 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 20:42:14,513 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/safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2024-10-18 20:42:14,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:42:14,590 INFO L204 MainTranslator]: Completed translation [2024-10-18 20:42:14,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14 WrapperNode [2024-10-18 20:42:14,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 20:42:14,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 20:42:14,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 20:42:14,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 20:42:14,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,648 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-10-18 20:42:14,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 20:42:14,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 20:42:14,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 20:42:14,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 20:42:14,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 20:42:14,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 20:42:14,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 20:42:14,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 20:42:14,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (1/1) ... [2024-10-18 20:42:14,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:42:14,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:42:14,724 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 20:42:14,731 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 20:42:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 20:42:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 20:42:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 20:42:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 20:42:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 20:42:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 20:42:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 20:42:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 20:42:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 20:42:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 20:42:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 20:42:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 20:42:14,806 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 20:42:14,980 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 20:42:14,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 20:42:15,139 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 20:42:15,139 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 20:42:15,237 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 20:42:15,238 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 20:42:15,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:42:15 BoogieIcfgContainer [2024-10-18 20:42:15,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 20:42:15,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 20:42:15,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 20:42:15,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 20:42:15,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:42:14" (1/3) ... [2024-10-18 20:42:15,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250de3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:42:15, skipping insertion in model container [2024-10-18 20:42:15,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:42:14" (2/3) ... [2024-10-18 20:42:15,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250de3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:42:15, skipping insertion in model container [2024-10-18 20:42:15,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:42:15" (3/3) ... [2024-10-18 20:42:15,252 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc_pso.opt_tso.oepc_tso.opt-thin001_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 20:42:15,270 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 20:42:15,270 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 20:42:15,271 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 20:42:15,339 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 20:42:15,380 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 20:42:15,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 20:42:15,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:42:15,383 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 20:42:15,384 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 20:42:15,470 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 20:42:15,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:42:15,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 20:42:15,498 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;@5a93667f, 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 20:42:15,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 20:42:16,265 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 20:42:16,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:42:16,267 INFO L85 PathProgramCache]: Analyzing trace with hash 93408395, now seen corresponding path program 1 times [2024-10-18 20:42:16,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:42:16,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589523041] [2024-10-18 20:42:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:42:16,837 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 20:42:16,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:42:16,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589523041] [2024-10-18 20:42:16,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589523041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:42:16,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:42:16,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:42:16,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669803922] [2024-10-18 20:42:16,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:42:16,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:42:16,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:42:16,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:42:16,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:42:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:16,876 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:42:16,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 20:42:16,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:17,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1159407048, now seen corresponding path program 1 times [2024-10-18 20:42:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:17,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:17,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:17,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 20:42:17,280 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 20:42:17,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:42:17,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1637465343, now seen corresponding path program 1 times [2024-10-18 20:42:17,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:42:17,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905199063] [2024-10-18 20:42:17,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:17,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:42:17,483 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 20:42:17,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:42:17,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905199063] [2024-10-18 20:42:17,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905199063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:42:17,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:42:17,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:42:17,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743736975] [2024-10-18 20:42:17,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:42:17,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:42:17,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:42:17,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:42:17,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:42:17,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:17,490 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:42:17,490 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) [2024-10-18 20:42:17,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:17,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:17,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1159407041, now seen corresponding path program 1 times [2024-10-18 20:42:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:17,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:17,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:17,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1770952577, now seen corresponding path program 1 times [2024-10-18 20:42:17,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:17,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:17,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,098 INFO L85 PathProgramCache]: Analyzing trace with hash -919702332, now seen corresponding path program 1 times [2024-10-18 20:42:18,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:18,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1276593198, now seen corresponding path program 1 times [2024-10-18 20:42:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1703748013, now seen corresponding path program 1 times [2024-10-18 20:42:18,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:18,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,479 INFO L85 PathProgramCache]: Analyzing trace with hash 812425471, now seen corresponding path program 1 times [2024-10-18 20:42:18,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:18,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,593 INFO L85 PathProgramCache]: Analyzing trace with hash 232317609, now seen corresponding path program 1 times [2024-10-18 20:42:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:18,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1464470456, now seen corresponding path program 1 times [2024-10-18 20:42:18,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:18,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1155620272, now seen corresponding path program 1 times [2024-10-18 20:42:18,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:18,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:18,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:19,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1738545825, now seen corresponding path program 1 times [2024-10-18 20:42:19,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:19,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:19,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1752822882, now seen corresponding path program 1 times [2024-10-18 20:42:19,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:19,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:19,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:20,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2021650734, now seen corresponding path program 1 times [2024-10-18 20:42:20,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:20,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:20,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:20,104 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 20:42:20,105 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 20:42:20,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:42:20,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1196005029, now seen corresponding path program 2 times [2024-10-18 20:42:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:42:20,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569299718] [2024-10-18 20:42:20,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:42:20,251 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 20:42:20,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:42:20,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569299718] [2024-10-18 20:42:20,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569299718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:42:20,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:42:20,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:42:20,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009849269] [2024-10-18 20:42:20,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:42:20,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:42:20,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:42:20,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:42:20,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:42:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:20,257 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:42:20,257 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) [2024-10-18 20:42:20,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:20,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:20,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:21,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1738545950, now seen corresponding path program 1 times [2024-10-18 20:42:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:21,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:21,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:22,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1752823073, now seen corresponding path program 1 times [2024-10-18 20:42:22,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:22,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:22,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:22,329 INFO L85 PathProgramCache]: Analyzing trace with hash -2021650547, now seen corresponding path program 1 times [2024-10-18 20:42:22,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:22,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:22,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:22,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1450677810, now seen corresponding path program 1 times [2024-10-18 20:42:22,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:22,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:23,332 INFO L85 PathProgramCache]: Analyzing trace with hash -24908620, now seen corresponding path program 1 times [2024-10-18 20:42:23,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:23,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:23,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:23,390 INFO L85 PathProgramCache]: Analyzing trace with hash -123619562, now seen corresponding path program 1 times [2024-10-18 20:42:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:23,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:23,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:23,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 20:42:23,459 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 20:42:23,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:42:23,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1437093273, now seen corresponding path program 3 times [2024-10-18 20:42:23,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:42:23,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897082132] [2024-10-18 20:42:23,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:23,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:42:23,598 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 20:42:23,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:42:23,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897082132] [2024-10-18 20:42:23,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897082132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:42:23,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:42:23,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 20:42:23,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527240817] [2024-10-18 20:42:23,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:42:23,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 20:42:23,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:42:23,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 20:42:23,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-18 20:42:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:23,601 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:42:23,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) 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) [2024-10-18 20:42:23,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:23,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:23,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:23,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:42:24,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1738546328, now seen corresponding path program 1 times [2024-10-18 20:42:24,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:42:24,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:42:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:24,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:42:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:42:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:42:28,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 20:42:28,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 20:42:28,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 20:42:28,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 20:42:28,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-10-18 20:42:28,261 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 20:42:28,265 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 20:42:28,265 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 20:42:28,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 08:42:28 BasicIcfg [2024-10-18 20:42:28,271 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 20:42:28,272 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 20:42:28,272 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 20:42:28,272 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 20:42:28,273 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:42:15" (3/4) ... [2024-10-18 20:42:28,274 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 20:42:28,279 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 20:42:28,279 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 20:42:28,279 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 20:42:28,283 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-10-18 20:42:28,284 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-18 20:42:28,285 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 20:42:28,285 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 20:42:28,358 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 20:42:28,359 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 20:42:28,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 20:42:28,360 INFO L158 Benchmark]: Toolchain (without parser) took 14244.31ms. Allocated memory was 142.6MB in the beginning and 339.7MB in the end (delta: 197.1MB). Free memory was 85.6MB in the beginning and 149.5MB in the end (delta: -63.9MB). Peak memory consumption was 133.6MB. Max. memory is 16.1GB. [2024-10-18 20:42:28,360 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 20:42:28,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.83ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 63.1MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-18 20:42:28,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.29ms. Allocated memory is still 142.6MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 20:42:28,362 INFO L158 Benchmark]: Boogie Preprocessor took 28.71ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 59.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 20:42:28,363 INFO L158 Benchmark]: RCFGBuilder took 561.13ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 152.5MB in the end (delta: -92.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-10-18 20:42:28,363 INFO L158 Benchmark]: TraceAbstraction took 13027.77ms. Allocated memory was 195.0MB in the beginning and 339.7MB in the end (delta: 144.7MB). Free memory was 150.5MB in the beginning and 153.7MB in the end (delta: -3.3MB). Peak memory consumption was 141.4MB. Max. memory is 16.1GB. [2024-10-18 20:42:28,364 INFO L158 Benchmark]: Witness Printer took 87.43ms. Allocated memory is still 339.7MB. Free memory was 153.7MB in the beginning and 149.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 20:42:28,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.83ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 63.1MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.29ms. Allocated memory is still 142.6MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.71ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 59.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.13ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 59.7MB in the beginning and 152.5MB in the end (delta: -92.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13027.77ms. Allocated memory was 195.0MB in the beginning and 339.7MB in the end (delta: 144.7MB). Free memory was 150.5MB in the beginning and 153.7MB in the end (delta: -3.3MB). Peak memory consumption was 141.4MB. Max. memory is 16.1GB. * Witness Printer took 87.43ms. Allocated memory is still 339.7MB. Free memory was 153.7MB in the beginning and 149.5MB 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: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 2411, dependent conditional: 2375, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1209, independent: 1036, independent conditional: 396, independent unconditional: 640, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1209, independent: 647, independent conditional: 0, independent unconditional: 647, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9375, independent: 7142, independent conditional: 6939, independent unconditional: 204, dependent: 2233, dependent conditional: 1607, dependent unconditional: 626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20585, independent: 17138, independent conditional: 4021, independent unconditional: 13117, dependent: 2238, dependent conditional: 295, dependent unconditional: 1943, unknown: 1209, unknown conditional: 551, unknown unconditional: 658] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1036, Positive conditional cache size: 396, Positive unconditional cache size: 640, Negative cache size: 173, Negative conditional cache size: 155, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14976, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 2411, dependent conditional: 2375, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1209, independent: 1036, independent conditional: 396, independent unconditional: 640, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1209, independent: 647, independent conditional: 0, independent unconditional: 647, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9375, independent: 7142, independent conditional: 6939, independent unconditional: 204, dependent: 2233, dependent conditional: 1607, dependent unconditional: 626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20585, independent: 17138, independent conditional: 4021, independent unconditional: 13117, dependent: 2238, dependent conditional: 295, dependent unconditional: 1943, unknown: 1209, unknown conditional: 551, unknown unconditional: 658] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1036, Positive conditional cache size: 396, Positive unconditional cache size: 640, Negative cache size: 173, Negative conditional cache size: 155, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14976 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 636, Number of trivial persistent sets: 320, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 658, independent: 640, independent conditional: 0, independent unconditional: 640, 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: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18584, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 410, dependent conditional: 392, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 2411, dependent conditional: 2375, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1209, independent: 1036, independent conditional: 396, independent unconditional: 640, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1209, independent: 647, independent conditional: 0, independent unconditional: 647, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9375, independent: 7142, independent conditional: 6939, independent unconditional: 204, dependent: 2233, dependent conditional: 1607, dependent unconditional: 626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20585, independent: 17138, independent conditional: 4021, independent unconditional: 13117, dependent: 2238, dependent conditional: 295, dependent unconditional: 1943, unknown: 1209, unknown conditional: 551, unknown unconditional: 658] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1036, Positive conditional cache size: 396, Positive unconditional cache size: 640, Negative cache size: 173, Negative conditional cache size: 155, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14976, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 17468, independent unconditional: 706, dependent: 2411, dependent conditional: 2375, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20585, independent: 18174, independent conditional: 4417, independent unconditional: 13757, dependent: 2411, dependent conditional: 450, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1209, independent: 1036, independent conditional: 396, independent unconditional: 640, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1209, independent: 647, independent conditional: 0, independent unconditional: 647, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 562, independent: 389, independent conditional: 381, independent unconditional: 8, dependent: 173, dependent conditional: 155, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9375, independent: 7142, independent conditional: 6939, independent unconditional: 204, dependent: 2233, dependent conditional: 1607, dependent unconditional: 626, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20585, independent: 17138, independent conditional: 4021, independent unconditional: 13117, dependent: 2238, dependent conditional: 295, dependent unconditional: 1943, unknown: 1209, unknown conditional: 551, unknown unconditional: 658] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1036, Positive conditional cache size: 396, Positive unconditional cache size: 640, Negative cache size: 173, Negative conditional cache size: 155, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14976 ], 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, 62 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 11.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 0.9s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 471 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: 9.5s, 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 20:42:28,391 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 20:42:28,587 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