./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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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 [2024-10-19 02:48:11,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 02:48:11,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 02:48:11,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 02:48:11,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 02:48:11,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 02:48:11,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 02:48:11,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 02:48:11,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 02:48:11,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 02:48:11,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 02:48:11,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 02:48:11,668 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 02:48:11,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 02:48:11,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 02:48:11,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 02:48:11,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 02:48:11,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 02:48:11,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 02:48:11,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 02:48:11,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 02:48:11,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 02:48:11,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 02:48:11,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 02:48:11,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 02:48:11,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 02:48:11,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 02:48:11,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 02:48:11,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 02:48:11,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 02:48:11,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:48:11,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 02:48:11,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 02:48:11,678 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 02:48:11,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 02:48:11,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 02:48:11,679 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 02:48:11,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 02:48:11,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 02:48:11,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 02:48:11,680 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 02:48:11,681 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 -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET 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 [2024-10-19 02:48:11,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 02:48:11,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 02:48:11,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 02:48:11,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 02:48:11,950 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 02:48:11,952 INFO L431 ainManager$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 [2024-10-19 02:48:13,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 02:48:13,666 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 02:48:13,667 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-19 02:48:13,685 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c9edaabf0/3ffae792c0364ae5bdf55906465ce7ad/FLAG3c6b6023f [2024-10-19 02:48:13,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c9edaabf0/3ffae792c0364ae5bdf55906465ce7ad [2024-10-19 02:48:13,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 02:48:14,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 02:48:14,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 02:48:14,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 02:48:14,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 02:48:14,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:48:13" (1/1) ... [2024-10-19 02:48:14,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1cefb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14, skipping insertion in model container [2024-10-19 02:48:14,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:48:13" (1/1) ... [2024-10-19 02:48:14,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 02:48:14,228 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] [2024-10-19 02:48:14,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:48:14,491 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 02:48:14,505 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] [2024-10-19 02:48:14,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:48:14,592 INFO L204 MainTranslator]: Completed translation [2024-10-19 02:48:14,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14 WrapperNode [2024-10-19 02:48:14,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 02:48:14,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 02:48:14,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 02:48:14,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 02:48:14,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,641 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-19 02:48:14,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 02:48:14,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 02:48:14,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 02:48:14,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 02:48:14,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 02:48:14,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 02:48:14,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 02:48:14,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 02:48:14,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (1/1) ... [2024-10-19 02:48:14,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:48:14,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:48:14,706 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) [2024-10-19 02:48:14,710 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 [2024-10-19 02:48:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 02:48:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 02:48:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 02:48:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 02:48:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 02:48:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 02:48:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 02:48:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 02:48:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 02:48:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 02:48:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 02:48:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 02:48:14,751 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 02:48:14,864 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 02:48:14,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 02:48:14,997 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 02:48:14,997 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 02:48:15,087 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 02:48:15,087 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 02:48:15,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:48:15 BoogieIcfgContainer [2024-10-19 02:48:15,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 02:48:15,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 02:48:15,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 02:48:15,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 02:48:15,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:48:13" (1/3) ... [2024-10-19 02:48:15,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac9c0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:48:15, skipping insertion in model container [2024-10-19 02:48:15,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:48:14" (2/3) ... [2024-10-19 02:48:15,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac9c0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:48:15, skipping insertion in model container [2024-10-19 02:48:15,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:48:15" (3/3) ... [2024-10-19 02:48:15,095 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-19 02:48:15,108 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 02:48:15,108 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 02:48:15,108 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 02:48:15,153 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 02:48:15,198 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 02:48:15,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 02:48:15,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:48:15,200 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) [2024-10-19 02:48:15,201 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 [2024-10-19 02:48:15,290 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 02:48:15,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:48:15,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 02:48:15,314 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;@372ef667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 02:48:15,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 02:48:16,144 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)] === [2024-10-19 02:48:16,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:48:16,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1239721216, now seen corresponding path program 1 times [2024-10-19 02:48:16,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:48:16,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503823547] [2024-10-19 02:48:16,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:16,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:48:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 02:48:16,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:48:16,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503823547] [2024-10-19 02:48:16,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503823547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:48:16,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:48:16,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 02:48:16,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506133873] [2024-10-19 02:48:16,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:48:16,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:48:16,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:48:16,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:48:16,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:48:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:16,758 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:48:16,759 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) [2024-10-19 02:48:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:17,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2089305316, now seen corresponding path program 1 times [2024-10-19 02:48:17,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:17,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:17,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:17,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 02:48:17,235 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)] === [2024-10-19 02:48:17,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:48:17,235 INFO L85 PathProgramCache]: Analyzing trace with hash 284982173, now seen corresponding path program 1 times [2024-10-19 02:48:17,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:48:17,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093436067] [2024-10-19 02:48:17,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:17,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:48:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 02:48:17,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:48:17,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093436067] [2024-10-19 02:48:17,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093436067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:48:17,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:48:17,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 02:48:17,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676843271] [2024-10-19 02:48:17,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:48:17,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:48:17,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:48:17,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:48:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:48:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:17,460 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:48:17,461 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) [2024-10-19 02:48:17,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:17,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:17,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2089305309, now seen corresponding path program 1 times [2024-10-19 02:48:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:17,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:17,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:17,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1334316657, now seen corresponding path program 1 times [2024-10-19 02:48:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:17,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1397190204, now seen corresponding path program 1 times [2024-10-19 02:48:18,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:18,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:18,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:18,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1772284980, now seen corresponding path program 1 times [2024-10-19 02:48:18,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:18,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:18,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:19,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1762031666, now seen corresponding path program 1 times [2024-10-19 02:48:19,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:19,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:19,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:19,643 INFO L85 PathProgramCache]: Analyzing trace with hash 566653446, now seen corresponding path program 1 times [2024-10-19 02:48:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:19,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:19,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:19,693 INFO L85 PathProgramCache]: Analyzing trace with hash 434071266, now seen corresponding path program 1 times [2024-10-19 02:48:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:19,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:19,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-10-19 02:48:19,785 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)] === [2024-10-19 02:48:19,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:48:19,786 INFO L85 PathProgramCache]: Analyzing trace with hash -87763239, now seen corresponding path program 2 times [2024-10-19 02:48:19,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:48:19,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496263470] [2024-10-19 02:48:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:48:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 02:48:19,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:48:19,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496263470] [2024-10-19 02:48:19,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496263470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:48:19,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:48:19,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 02:48:19,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528952426] [2024-10-19 02:48:19,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:48:19,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:48:19,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:48:19,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:48:19,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:48:19,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:19,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:48:19,955 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) [2024-10-19 02:48:19,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:19,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:19,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:21,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1762031765, now seen corresponding path program 1 times [2024-10-19 02:48:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:21,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:21,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:21,867 INFO L85 PathProgramCache]: Analyzing trace with hash 566653615, now seen corresponding path program 1 times [2024-10-19 02:48:21,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:21,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:21,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 434071437, now seen corresponding path program 1 times [2024-10-19 02:48:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:21,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:21,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 14301566, now seen corresponding path program 1 times [2024-10-19 02:48:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:22,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1545338908, now seen corresponding path program 1 times [2024-10-19 02:48:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:22,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:22,882 INFO L85 PathProgramCache]: Analyzing trace with hash 470140472, now seen corresponding path program 1 times [2024-10-19 02:48:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:22,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:22,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-10-19 02:48:22,970 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)] === [2024-10-19 02:48:22,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:48:22,970 INFO L85 PathProgramCache]: Analyzing trace with hash -393979249, now seen corresponding path program 3 times [2024-10-19 02:48:22,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:48:22,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189519836] [2024-10-19 02:48:22,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:22,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:48:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 02:48:23,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:48:23,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189519836] [2024-10-19 02:48:23,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189519836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:48:23,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:48:23,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 02:48:23,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134002218] [2024-10-19 02:48:23,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:48:23,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 02:48:23,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:48:23,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 02:48:23,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-19 02:48:23,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:23,098 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:48:23,099 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) [2024-10-19 02:48:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:23,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:48:24,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1762032073, now seen corresponding path program 1 times [2024-10-19 02:48:24,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:48:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:48:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:24,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:48:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:48:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:48:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 02:48:27,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-19 02:48:27,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-19 02:48:27,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-19 02:48:27,290 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-19 02:48:27,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable17 [2024-10-19 02:48:27,301 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-19 02:48:27,303 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-19 02:48:27,304 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-19 02:48:27,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:48:27 BasicIcfg [2024-10-19 02:48:27,313 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-19 02:48:27,314 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-19 02:48:27,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-19 02:48:27,314 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-19 02:48:27,315 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:48:15" (3/4) ... [2024-10-19 02:48:27,316 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-19 02:48:27,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-19 02:48:27,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-19 02:48:27,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-19 02:48:27,325 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-19 02:48:27,326 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-19 02:48:27,327 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-19 02:48:27,327 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-19 02:48:27,408 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-19 02:48:27,411 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-19 02:48:27,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-19 02:48:27,412 INFO L158 Benchmark]: Toolchain (without parser) took 13411.55ms. Allocated memory was 172.0MB in the beginning and 331.4MB in the end (delta: 159.4MB). Free memory was 106.3MB in the beginning and 119.2MB in the end (delta: -12.9MB). Peak memory consumption was 146.3MB. Max. memory is 16.1GB. [2024-10-19 02:48:27,412 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 02:48:27,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.05ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 131.3MB in the end (delta: -25.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-19 02:48:27,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.40ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 129.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 02:48:27,413 INFO L158 Benchmark]: Boogie Preprocessor took 27.69ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 127.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 02:48:27,416 INFO L158 Benchmark]: RCFGBuilder took 417.52ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 109.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-19 02:48:27,417 INFO L158 Benchmark]: TraceAbstraction took 12223.21ms. Allocated memory was 172.0MB in the beginning and 331.4MB in the end (delta: 159.4MB). Free memory was 108.3MB in the beginning and 123.4MB in the end (delta: -15.1MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. [2024-10-19 02:48:27,417 INFO L158 Benchmark]: Witness Printer took 97.37ms. Allocated memory is still 331.4MB. Free memory was 123.4MB in the beginning and 119.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-19 02:48:27,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.05ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 131.3MB in the end (delta: -25.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.40ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 129.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.69ms. Allocated memory is still 172.0MB. Free memory was 129.3MB in the beginning and 127.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 417.52ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 109.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12223.21ms. Allocated memory was 172.0MB in the beginning and 331.4MB in the end (delta: 159.4MB). Free memory was 108.3MB in the beginning and 123.4MB in the end (delta: -15.1MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. * Witness Printer took 97.37ms. Allocated memory is still 331.4MB. Free memory was 123.4MB in the beginning and 119.2MB 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: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 2075, dependent conditional: 2037, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1123, independent: 994, independent conditional: 354, independent unconditional: 640, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1123, independent: 652, independent conditional: 0, independent unconditional: 652, dependent: 471, dependent conditional: 0, dependent unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8671, independent: 6545, independent conditional: 6318, independent unconditional: 228, dependent: 2126, dependent conditional: 1404, dependent unconditional: 723, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19178, independent: 16109, independent conditional: 4015, independent unconditional: 12094, dependent: 1946, dependent conditional: 208, dependent unconditional: 1738, unknown: 1123, unknown conditional: 464, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 1123, Positive cache size: 994, Positive conditional cache size: 354, Positive unconditional cache size: 640, Negative cache size: 129, Negative conditional cache size: 110, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13762, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 2075, dependent conditional: 2037, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1123, independent: 994, independent conditional: 354, independent unconditional: 640, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1123, independent: 652, independent conditional: 0, independent unconditional: 652, dependent: 471, dependent conditional: 0, dependent unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8671, independent: 6545, independent conditional: 6318, independent unconditional: 228, dependent: 2126, dependent conditional: 1404, dependent unconditional: 723, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19178, independent: 16109, independent conditional: 4015, independent unconditional: 12094, dependent: 1946, dependent conditional: 208, dependent unconditional: 1738, unknown: 1123, unknown conditional: 464, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 1123, Positive cache size: 994, Positive conditional cache size: 354, Positive unconditional cache size: 640, Negative cache size: 129, Negative conditional cache size: 110, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13762 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, 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: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17478, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 375, dependent conditional: 356, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 2075, dependent conditional: 2037, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1123, independent: 994, independent conditional: 354, independent unconditional: 640, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1123, independent: 652, independent conditional: 0, independent unconditional: 652, dependent: 471, dependent conditional: 0, dependent unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8671, independent: 6545, independent conditional: 6318, independent unconditional: 228, dependent: 2126, dependent conditional: 1404, dependent unconditional: 723, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19178, independent: 16109, independent conditional: 4015, independent unconditional: 12094, dependent: 1946, dependent conditional: 208, dependent unconditional: 1738, unknown: 1123, unknown conditional: 464, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 1123, Positive cache size: 994, Positive conditional cache size: 354, Positive unconditional cache size: 640, Negative cache size: 129, Negative conditional cache size: 110, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13762, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 16412, independent unconditional: 691, dependent: 2075, dependent conditional: 2037, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19178, independent: 17103, independent conditional: 4369, independent unconditional: 12734, dependent: 2075, dependent conditional: 318, dependent unconditional: 1757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1123, independent: 994, independent conditional: 354, independent unconditional: 640, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1123, independent: 652, independent conditional: 0, independent unconditional: 652, dependent: 471, dependent conditional: 0, dependent unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 471, independent: 342, independent conditional: 334, independent unconditional: 8, dependent: 129, dependent conditional: 110, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8671, independent: 6545, independent conditional: 6318, independent unconditional: 228, dependent: 2126, dependent conditional: 1404, dependent unconditional: 723, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19178, independent: 16109, independent conditional: 4015, independent unconditional: 12094, dependent: 1946, dependent conditional: 208, dependent unconditional: 1738, unknown: 1123, unknown conditional: 464, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 1123, Positive cache size: 994, Positive conditional cache size: 354, Positive unconditional cache size: 640, Negative cache size: 129, Negative conditional cache size: 110, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13762 ], 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: 12.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 10.8s, 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, 0.9s 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: 0.0s, ConditionalCommutativityCheckTime: 8.5s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 20, ConditionalCommutativityTraceChecks: 15, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-19 02:48:27,456 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 [2024-10-19 02:48:27,650 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